2004408890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18221899}}^1$

素因数の和:18221917

約数の個数: 16

約数和(自身を含む): 3935930400

約数和(自身を除く): 1931521510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18221899, 36443798, 91109495, 182218990, 200440889, 400881778, 1002204445, 2004408890]

約数ペア:

[(1, 2004408890), (2, 1002204445), (5, 400881778), (10, 200440889), (11, 182218990), (22, 91109495), (55, 36443798), (110, 18221899)]