18423260

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8609}}^1$

素因数の和:8725

約数の個数: 24

約数和(自身を含む): 39054960

約数和(自身を除く): 20631700

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8609, 17218, 34436, 43045, 86090, 172180, 921163, 1842326, 3684652, 4605815, 9211630, 18423260]

約数ペア:

[(1, 18423260), (2, 9211630), (4, 4605815), (5, 3684652), (10, 1842326), (20, 921163), (107, 172180), (214, 86090), (428, 43045), (535, 34436), (1070, 17218), (2140, 8609)]