12538195

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 15943680

約数和(自身を除く): 3405485

約数列:

[1, 5, 19, 95, 191, 691, 955, 3455, 3629, 13129, 18145, 65645, 131981, 659905, 2507639, 12538195]

約数ペア:

[(1, 12538195), (5, 2507639), (19, 659905), (95, 131981), (191, 65645), (691, 18145), (955, 13129), (3455, 3629)]