18207879

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1318

約数の個数: 16

約数和(自身を含む): 24977664

約数和(自身を除く): 6769785

約数列:

[1, 3, 71, 73, 213, 219, 1171, 3513, 5183, 15549, 83141, 85483, 249423, 256449, 6069293, 18207879]

約数ペア:

[(1, 18207879), (3, 6069293), (71, 256449), (73, 249423), (213, 85483), (219, 83141), (1171, 15549), (3513, 5183)]