18966507

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9311}}^1$

素因数の和:9418

約数の個数: 16

約数和(自身を含む): 29202432

約数和(自身を除く): 10235925

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9311, 27933, 65177, 195531, 903167, 2709501, 6322169, 18966507]

約数ペア:

[(1, 18966507), (3, 6322169), (7, 2709501), (21, 903167), (97, 195531), (291, 65177), (679, 27933), (2037, 9311)]