18120686

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 27744000

約数和(自身を除く): 9623314

約数列:

[1, 2, 67, 134, 271, 499, 542, 998, 18157, 33433, 36314, 66866, 135229, 270458, 9060343, 18120686]

約数ペア:

[(1, 18120686), (2, 9060343), (67, 270458), (134, 135229), (271, 66866), (499, 36314), (542, 33433), (998, 18157)]