19047580

素因数分解:

$2^2\times 5^1\times {\mathrm{952379}}^1$

素因数の和:952388

約数の個数: 12

約数和(自身を含む): 39999960

約数和(自身を除く): 20952380

約数列:

[1, 2, 4, 5, 10, 20, 952379, 1904758, 3809516, 4761895, 9523790, 19047580]

約数ペア:

[(1, 19047580), (2, 9523790), (4, 4761895), (5, 3809516), (10, 1904758), (20, 952379)]