18679654

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 33465600

約数和(自身を除く): 14785946

約数列:

[1, 2, 7, 14, 29, 58, 139, 203, 278, 331, 406, 662, 973, 1946, 2317, 4031, 4634, 8062, 9599, 19198, 28217, 46009, 56434, 67193, 92018, 134386, 322063, 644126, 1334261, 2668522, 9339827, 18679654]

約数ペア:

[(1, 18679654), (2, 9339827), (7, 2668522), (14, 1334261), (29, 644126), (58, 322063), (139, 134386), (203, 92018), (278, 67193), (331, 56434), (406, 46009), (662, 28217), (973, 19198), (1946, 9599), (2317, 8062), (4031, 4634)]