18679906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78487}}^1$

素因数の和:78513

約数の個数: 16

約数和(自身を含む): 33906816

約数和(自身を除く): 15226910

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 78487, 156974, 549409, 1098818, 1334279, 2668558, 9339953, 18679906]

約数ペア:

[(1, 18679906), (2, 9339953), (7, 2668558), (14, 1334279), (17, 1098818), (34, 549409), (119, 156974), (238, 78487)]