18589040

素因数分解:

$2^4\times 5^1\times {\mathrm{232363}}^1$

素因数の和:232376

約数の個数: 20

約数和(自身を含む): 43219704

約数和(自身を除く): 24630664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232363, 464726, 929452, 1161815, 1858904, 2323630, 3717808, 4647260, 9294520, 18589040]

約数ペア:

[(1, 18589040), (2, 9294520), (4, 4647260), (5, 3717808), (8, 2323630), (10, 1858904), (16, 1161815), (20, 929452), (40, 464726), (80, 232363)]