18672143

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 3791857

約数列:

[1, 7, 29, 59, 203, 413, 1559, 1711, 10913, 11977, 45211, 91981, 316477, 643867, 2667449, 18672143]

約数ペア:

[(1, 18672143), (7, 2667449), (29, 643867), (59, 316477), (203, 91981), (413, 45211), (1559, 11977), (1711, 10913)]