18824643

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{839}}^1$

素因数の和:1128

約数の個数: 20

約数和(自身を含む): 28255920

約数和(自身を除く): 9431277

約数列:

[1, 3, 9, 27, 81, 277, 831, 839, 2493, 2517, 7479, 7551, 22437, 22653, 67959, 232403, 697209, 2091627, 6274881, 18824643]

約数ペア:

[(1, 18824643), (3, 6274881), (9, 2091627), (27, 697209), (81, 232403), (277, 67959), (831, 22653), (839, 22437), (2493, 7551), (2517, 7479)]