19788045

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12329}}^1$

素因数の和:12444

約数の個数: 16

約数和(自身を含む): 31959360

約数和(自身を除く): 12171315

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12329, 36987, 61645, 184935, 1319203, 3957609, 6596015, 19788045]

約数ペア:

[(1, 19788045), (3, 6596015), (5, 3957609), (15, 1319203), (107, 184935), (321, 61645), (535, 36987), (1605, 12329)]