18239137

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 21595392

約数和(自身を除く): 3356255

約数列:

[1, 7, 41, 103, 287, 617, 721, 4223, 4319, 25297, 29561, 63551, 177079, 444857, 2605591, 18239137]

約数ペア:

[(1, 18239137), (7, 2605591), (41, 444857), (103, 177079), (287, 63551), (617, 29561), (721, 25297), (4223, 4319)]