19217080

素因数分解:

$2^3\times 5^1\times {\mathrm{480427}}^1$

素因数の和:480438

約数の個数: 16

約数和(自身を含む): 43238520

約数和(自身を除く): 24021440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 480427, 960854, 1921708, 2402135, 3843416, 4804270, 9608540, 19217080]

約数ペア:

[(1, 19217080), (2, 9608540), (4, 4804270), (5, 3843416), (8, 2402135), (10, 1921708), (20, 960854), (40, 480427)]