18307861

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 22899744

約数和(自身を除く): 4591883

約数列:

[1, 11, 13, 17, 143, 187, 221, 289, 443, 2431, 3179, 3757, 4873, 5759, 7531, 41327, 63349, 82841, 97903, 128027, 1076933, 1408297, 1664351, 18307861]

約数ペア:

[(1, 18307861), (11, 1664351), (13, 1408297), (17, 1076933), (143, 128027), (187, 97903), (221, 82841), (289, 63349), (443, 41327), (2431, 7531), (3179, 5759), (3757, 4873)]