18680428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2411}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 35456400

約数和(自身を除く): 16775972

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 2411, 3874, 4822, 7748, 9644, 31343, 62686, 125372, 359239, 718478, 1436956, 4670107, 9340214, 18680428]

約数ペア:

[(1, 18680428), (2, 9340214), (4, 4670107), (13, 1436956), (26, 718478), (52, 359239), (149, 125372), (298, 62686), (596, 31343), (1937, 9644), (2411, 7748), (3874, 4822)]