18217881

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{16729}}^1$

素因数の和:16757

約数の個数: 18

約数和(自身を含む): 28926170

約数和(自身を除く): 10708289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 16729, 50187, 150561, 184019, 552057, 1656171, 2024209, 6072627, 18217881]

約数ペア:

[(1, 18217881), (3, 6072627), (9, 2024209), (11, 1656171), (33, 552057), (99, 184019), (121, 150561), (363, 50187), (1089, 16729)]