18780135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113819}}^1$

素因数の和:113838

約数の個数: 16

約数和(自身を含む): 32780160

約数和(自身を除く): 14000025

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 113819, 341457, 569095, 1252009, 1707285, 3756027, 6260045, 18780135]

約数ペア:

[(1, 18780135), (3, 6260045), (5, 3756027), (11, 1707285), (15, 1252009), (33, 569095), (55, 341457), (165, 113819)]