18916053

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 29143296

約数和(自身を除く): 10227243

約数列:

[1, 3, 13, 17, 39, 51, 103, 221, 277, 309, 663, 831, 1339, 1751, 3601, 4017, 4709, 5253, 10803, 14127, 22763, 28531, 61217, 68289, 85593, 183651, 370903, 485027, 1112709, 1455081, 6305351, 18916053]

約数ペア:

[(1, 18916053), (3, 6305351), (13, 1455081), (17, 1112709), (39, 485027), (51, 370903), (103, 183651), (221, 85593), (277, 68289), (309, 61217), (663, 28531), (831, 22763), (1339, 14127), (1751, 10803), (3601, 5253), (4017, 4709)]