18558158

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{997}}^1$

素因数の和:1267

約数の個数: 16

約数和(自身を含む): 28670544

約数和(自身を除く): 10112386

約数列:

[1, 2, 41, 82, 227, 454, 997, 1994, 9307, 18614, 40877, 81754, 226319, 452638, 9279079, 18558158]

約数ペア:

[(1, 18558158), (2, 9279079), (41, 452638), (82, 226319), (227, 81754), (454, 40877), (997, 18614), (1994, 9307)]