2019999770

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1590551}}^1$

素因数の和:1590685

約数の個数: 16

約数和(自身を含む): 3664631808

約数和(自身を除く): 1644632038

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 1590551, 3181102, 7952755, 15905510, 201999977, 403999954, 1009999885, 2019999770]

約数ペア:

[(1, 2019999770), (2, 1009999885), (5, 403999954), (10, 201999977), (127, 15905510), (254, 7952755), (635, 3181102), (1270, 1590551)]