18589060225

素因数分解:

$5^2\times {\mathrm{409}}^1\times {\mathrm{449}}^1\times {\mathrm{4049}}^1$

素因数の和:4917

約数の個数: 24

約数和(自身を含む): 23163975000

約数和(自身を除く): 4574914775

約数列:

[1, 5, 25, 409, 449, 2045, 2245, 4049, 10225, 11225, 20245, 101225, 183641, 918205, 1656041, 1818001, 4591025, 8280205, 9090005, 41401025, 45450025, 743562409, 3717812045, 18589060225]

約数ペア:

[(1, 18589060225), (5, 3717812045), (25, 743562409), (409, 45450025), (449, 41401025), (2045, 9090005), (2245, 8280205), (4049, 4591025), (10225, 1818001), (11225, 1656041), (20245, 918205), (101225, 183641)]