12159905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1$

素因数の和:4184

約数の個数: 16

約数和(自身を含む): 15859200

約数和(自身を除く): 3699295

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 4129, 20645, 78451, 127999, 392255, 639995, 2431981, 12159905]

約数ペア:

[(1, 12159905), (5, 2431981), (19, 639995), (31, 392255), (95, 127999), (155, 78451), (589, 20645), (2945, 4129)]