18681604

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{59119}}^1$

素因数の和:59202

約数の個数: 12

約数和(自身を含む): 33107200

約数和(自身を除く): 14425596

約数列:

[1, 2, 4, 79, 158, 316, 59119, 118238, 236476, 4670401, 9340802, 18681604]

約数ペア:

[(1, 18681604), (2, 9340802), (4, 4670401), (79, 236476), (158, 118238), (316, 59119)]