Giuga Numbers and the arithmetic derivative
Number Theory
2011-03-14 v1
Abstract
We characterize Giuga Numbers as solutions to the equation , with and being the arithmetic derivative. Although this fact does not refute Lava's conjecture, it brings doubts about its veracity.
Cite
@article{arxiv.1103.2298,
title = {Giuga Numbers and the arithmetic derivative},
author = {José María Grau and Antonio M. Oller-Marcén},
journal= {arXiv preprint arXiv:1103.2298},
year = {2011}
}