18480878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^2$

素因数の和:288

約数の個数: 24

約数和(自身を含む): 30596328

約数和(自身を除く): 12115450

約数列:

[1, 2, 13, 26, 67, 103, 134, 206, 871, 1339, 1742, 2678, 6901, 10609, 13802, 21218, 89713, 137917, 179426, 275834, 710803, 1421606, 9240439, 18480878]

約数ペア:

[(1, 18480878), (2, 9240439), (13, 1421606), (26, 710803), (67, 275834), (103, 179426), (134, 137917), (206, 89713), (871, 21218), (1339, 13802), (1742, 10609), (2678, 6901)]