18681420565

素因数分解:

$5^1\times {\mathrm{383}}^1\times {\mathrm{2437}}^1\times {\mathrm{4003}}^1$

素因数の和:6828

約数の個数: 16

約数和(自身を含む): 22491076608

約数和(自身を除く): 3809656043

約数列:

[1, 5, 383, 1915, 2437, 4003, 12185, 20015, 933371, 1533149, 4666855, 7665745, 9755311, 48776555, 3736284113, 18681420565]

約数ペア:

[(1, 18681420565), (5, 3736284113), (383, 48776555), (1915, 9755311), (2437, 7665745), (4003, 4666855), (12185, 1533149), (20015, 933371)]