18070507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11681}}^1$

素因数の和:11718

約数の個数: 16

約数和(自身を含む): 23550912

約数和(自身を除く): 5480405

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 11681, 81767, 151853, 198577, 1062971, 1390039, 2581501, 18070507]

約数ペア:

[(1, 18070507), (7, 2581501), (13, 1390039), (17, 1062971), (91, 198577), (119, 151853), (221, 81767), (1547, 11681)]