18783531

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4339}}^1$

素因数の和:4395

約数の個数: 24

約数和(自身を含む): 30015440

約数和(自身を除く): 11231909

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4339, 13017, 39051, 56407, 160543, 169221, 481629, 507663, 1444887, 2087059, 6261177, 18783531]

約数ペア:

[(1, 18783531), (3, 6261177), (9, 2087059), (13, 1444887), (37, 507663), (39, 481629), (111, 169221), (117, 160543), (333, 56407), (481, 39051), (1443, 13017), (4329, 4339)]