18686374

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{21881}}^1$

素因数の和:21951

約数の個数: 16

約数和(自身を含む): 32560416

約数和(自身を除く): 13874042

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 21881, 43762, 153167, 306334, 1334741, 2669482, 9343187, 18686374]

約数ペア:

[(1, 18686374), (2, 9343187), (7, 2669482), (14, 1334741), (61, 306334), (122, 153167), (427, 43762), (854, 21881)]