18571437

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{2029}}^1$

素因数の和:2154

約数の個数: 20

約数和(自身を含む): 28001820

約数和(自身を除く): 9430383

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 2029, 3051, 6087, 9153, 18261, 54783, 164349, 229277, 687831, 2063493, 6190479, 18571437]

約数ペア:

[(1, 18571437), (3, 6190479), (9, 2063493), (27, 687831), (81, 229277), (113, 164349), (339, 54783), (1017, 18261), (2029, 9153), (3051, 6087)]