18683812

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10939}}^1$

素因数の和:11011

約数の個数: 24

約数和(自身を含む): 37983680

約数和(自身を除く): 19299868

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 10939, 21878, 43756, 76573, 153146, 306292, 667279, 1334558, 2669116, 4670953, 9341906, 18683812]

約数ペア:

[(1, 18683812), (2, 9341906), (4, 4670953), (7, 2669116), (14, 1334558), (28, 667279), (61, 306292), (122, 153146), (244, 76573), (427, 43756), (854, 21878), (1708, 10939)]