19852533

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1789}}^1$

素因数の和:1938

約数の個数: 20

約数和(自身を含む): 29889420

約数和(自身を除く): 10036887

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1789, 3699, 5367, 11097, 16101, 48303, 144909, 245093, 735279, 2205837, 6617511, 19852533]

約数ペア:

[(1, 19852533), (3, 6617511), (9, 2205837), (27, 735279), (81, 245093), (137, 144909), (411, 48303), (1233, 16101), (1789, 11097), (3699, 5367)]