18135080

素因数分解:

$2^3\times 5^1\times {\mathrm{453377}}^1$

素因数の和:453388

約数の個数: 16

約数和(自身を含む): 40804020

約数和(自身を除く): 22668940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453377, 906754, 1813508, 2266885, 3627016, 4533770, 9067540, 18135080]

約数ペア:

[(1, 18135080), (2, 9067540), (4, 4533770), (5, 3627016), (8, 2266885), (10, 1813508), (20, 906754), (40, 453377)]