18685851

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 25959168

約数和(自身を除く): 7273317

約数列:

[1, 3, 37, 71, 111, 213, 2371, 2627, 7113, 7881, 87727, 168341, 263181, 505023, 6228617, 18685851]

約数ペア:

[(1, 18685851), (3, 6228617), (37, 505023), (71, 263181), (111, 168341), (213, 87727), (2371, 7881), (2627, 7113)]