20190368540

素因数分解:

$2^2\times 5^1\times {\mathrm{1009518427}}^1$

素因数の和:1009518436

約数の個数: 12

約数和(自身を含む): 42399773976

約数和(自身を除く): 22209405436

約数列:

[1, 2, 4, 5, 10, 20, 1009518427, 2019036854, 4038073708, 5047592135, 10095184270, 20190368540]

約数ペア:

[(1, 20190368540), (2, 10095184270), (4, 5047592135), (5, 4038073708), (10, 2019036854), (20, 1009518427)]