18865958

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2743

約数の個数: 16

約数和(自身を含む): 29261520

約数和(自身を除く): 10395562

約数列:

[1, 2, 59, 61, 118, 122, 2621, 3599, 5242, 7198, 154639, 159881, 309278, 319762, 9432979, 18865958]

約数ペア:

[(1, 18865958), (2, 9432979), (59, 319762), (61, 309278), (118, 159881), (122, 154639), (2621, 7198), (3599, 5242)]