19873305

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1049}}^1$

素因数の和:1481

約数の個数: 24

約数和(自身を含む): 34561800

約数和(自身を除く): 14688495

約数列:

[1, 3, 5, 9, 15, 45, 421, 1049, 1263, 2105, 3147, 3789, 5245, 6315, 9441, 15735, 18945, 47205, 441629, 1324887, 2208145, 3974661, 6624435, 19873305]

約数ペア:

[(1, 19873305), (3, 6624435), (5, 3974661), (9, 2208145), (15, 1324887), (45, 441629), (421, 47205), (1049, 18945), (1263, 15735), (2105, 9441), (3147, 6315), (3789, 5245)]