18212180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130087}}^1$

素因数の和:130103

約数の個数: 24

約数和(自身を含む): 43709568

約数和(自身を除く): 25497388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130087, 260174, 520348, 650435, 910609, 1300870, 1821218, 2601740, 3642436, 4553045, 9106090, 18212180]

約数ペア:

[(1, 18212180), (2, 9106090), (4, 4553045), (5, 3642436), (7, 2601740), (10, 1821218), (14, 1300870), (20, 910609), (28, 650435), (35, 520348), (70, 260174), (140, 130087)]