19173815

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 23560416

約数和(自身を除く): 4386601

約数列:

[1, 5, 73, 131, 365, 401, 655, 2005, 9563, 29273, 47815, 52531, 146365, 262655, 3834763, 19173815]

約数ペア:

[(1, 19173815), (5, 3834763), (73, 262655), (131, 146365), (365, 52531), (401, 47815), (655, 29273), (2005, 9563)]