18908012

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2551}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 35370720

約数和(自身を除く): 16462708

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2551, 3706, 5102, 7412, 10204, 43367, 86734, 173468, 278059, 556118, 1112236, 4727003, 9454006, 18908012]

約数ペア:

[(1, 18908012), (2, 9454006), (4, 4727003), (17, 1112236), (34, 556118), (68, 278059), (109, 173468), (218, 86734), (436, 43367), (1853, 10204), (2551, 7412), (3706, 5102)]