18589459

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 21936640

約数和(自身を除く): 3347181

約数列:

[1, 7, 43, 151, 301, 409, 1057, 2863, 6493, 17587, 45451, 61759, 123109, 432313, 2655637, 18589459]

約数ペア:

[(1, 18589459), (7, 2655637), (43, 432313), (151, 123109), (301, 61759), (409, 45451), (1057, 17587), (2863, 6493)]