18885832

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2069}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 40737600

約数和(自身を除く): 21851768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2069, 2282, 4138, 4564, 8276, 9128, 14483, 16552, 28966, 57932, 115864, 337247, 674494, 1348988, 2360729, 2697976, 4721458, 9442916, 18885832]

約数ペア:

[(1, 18885832), (2, 9442916), (4, 4721458), (7, 2697976), (8, 2360729), (14, 1348988), (28, 674494), (56, 337247), (163, 115864), (326, 57932), (652, 28966), (1141, 16552), (1304, 14483), (2069, 9128), (2282, 8276), (4138, 4564)]