1900690180

素因数分解:

$2^2\times 5^1\times {\mathrm{95034509}}^1$

素因数の和:95034518

約数の個数: 12

約数和(自身を含む): 3991449420

約数和(自身を除く): 2090759240

約数列:

[1, 2, 4, 5, 10, 20, 95034509, 190069018, 380138036, 475172545, 950345090, 1900690180]

約数ペア:

[(1, 1900690180), (2, 950345090), (4, 475172545), (5, 380138036), (10, 190069018), (20, 95034509)]