19142840

素因数分解:

$2^3\times 5^1\times {\mathrm{478571}}^1$

素因数の和:478582

約数の個数: 16

約数和(自身を含む): 43071480

約数和(自身を除く): 23928640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478571, 957142, 1914284, 2392855, 3828568, 4785710, 9571420, 19142840]

約数ペア:

[(1, 19142840), (2, 9571420), (4, 4785710), (5, 3828568), (8, 2392855), (10, 1914284), (20, 957142), (40, 478571)]