18047080

素因数分解:

$2^3\times 5^1\times {\mathrm{451177}}^1$

素因数の和:451188

約数の個数: 16

約数和(自身を含む): 40606020

約数和(自身を除く): 22558940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 451177, 902354, 1804708, 2255885, 3609416, 4511770, 9023540, 18047080]

約数ペア:

[(1, 18047080), (2, 9023540), (4, 4511770), (5, 3609416), (8, 2255885), (10, 1804708), (20, 902354), (40, 451177)]