18906760

素因数分解:

$2^3\times 5^1\times {\mathrm{472669}}^1$

素因数の和:472680

約数の個数: 16

約数和(自身を含む): 42540300

約数和(自身を除く): 23633540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 472669, 945338, 1890676, 2363345, 3781352, 4726690, 9453380, 18906760]

約数ペア:

[(1, 18906760), (2, 9453380), (4, 4726690), (5, 3781352), (8, 2363345), (10, 1890676), (20, 945338), (40, 472669)]