18939167

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 21073920

約数和(自身を除く): 2134753

約数列:

[1, 13, 47, 139, 223, 611, 1807, 2899, 6533, 10481, 30997, 84929, 136253, 402961, 1456859, 18939167]

約数ペア:

[(1, 18939167), (13, 1456859), (47, 402961), (139, 136253), (223, 84929), (611, 30997), (1807, 10481), (2899, 6533)]