18647986

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2058

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 15877454

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 1997, 3994, 4669, 9338, 13979, 27958, 45931, 57913, 91862, 115826, 321517, 405391, 643034, 810782, 1331999, 2663998, 9323993, 18647986]

約数ペア:

[(1, 18647986), (2, 9323993), (7, 2663998), (14, 1331999), (23, 810782), (29, 643034), (46, 405391), (58, 321517), (161, 115826), (203, 91862), (322, 57913), (406, 45931), (667, 27958), (1334, 13979), (1997, 9338), (3994, 4669)]