18257540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130411}}^1$

素因数の和:130427

約数の個数: 24

約数和(自身を含む): 43818432

約数和(自身を除く): 25560892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130411, 260822, 521644, 652055, 912877, 1304110, 1825754, 2608220, 3651508, 4564385, 9128770, 18257540]

約数ペア:

[(1, 18257540), (2, 9128770), (4, 4564385), (5, 3651508), (7, 2608220), (10, 1825754), (14, 1304110), (20, 912877), (28, 652055), (35, 521644), (70, 260822), (140, 130411)]