19845845

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 24615360

約数和(自身を除く): 4769515

約数列:

[1, 5, 41, 131, 205, 655, 739, 3695, 5371, 26855, 30299, 96809, 151495, 484045, 3969169, 19845845]

約数ペア:

[(1, 19845845), (5, 3969169), (41, 484045), (131, 151495), (205, 96809), (655, 30299), (739, 26855), (3695, 5371)]