18678561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5009}}^1$

素因数の和:5136

約数の個数: 16

約数和(自身を含む): 27414720

約数和(自身を除く): 8736159

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5009, 15027, 55099, 165297, 566017, 1698051, 6226187, 18678561]

約数ペア:

[(1, 18678561), (3, 6226187), (11, 1698051), (33, 566017), (113, 165297), (339, 55099), (1243, 15027), (3729, 5009)]