19351405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 25017984

約数和(自身を除く): 5666579

約数列:

[1, 5, 19, 71, 95, 151, 355, 361, 755, 1349, 1805, 2869, 6745, 10721, 14345, 25631, 53605, 54511, 128155, 203699, 272555, 1018495, 3870281, 19351405]

約数ペア:

[(1, 19351405), (5, 3870281), (19, 1018495), (71, 272555), (95, 203699), (151, 128155), (355, 54511), (361, 53605), (755, 25631), (1349, 14345), (1805, 10721), (2869, 6745)]