18822040

素因数分解:

$2^3\times 5^1\times {\mathrm{470551}}^1$

素因数の和:470562

約数の個数: 16

約数和(自身を含む): 42349680

約数和(自身を除く): 23527640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470551, 941102, 1882204, 2352755, 3764408, 4705510, 9411020, 18822040]

約数ペア:

[(1, 18822040), (2, 9411020), (4, 4705510), (5, 3764408), (8, 2352755), (10, 1882204), (20, 941102), (40, 470551)]