18461780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8627}}^1$

素因数の和:8743

約数の個数: 24

約数和(自身を含む): 39136608

約数和(自身を除く): 20674828

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8627, 17254, 34508, 43135, 86270, 172540, 923089, 1846178, 3692356, 4615445, 9230890, 18461780]

約数ペア:

[(1, 18461780), (2, 9230890), (4, 4615445), (5, 3692356), (10, 1846178), (20, 923089), (107, 172540), (214, 86270), (428, 43135), (535, 34508), (1070, 17254), (2140, 8627)]