18863564

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{523}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 33804288

約数和(自身を除く): 14940724

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 523, 1046, 2092, 9017, 18034, 36068, 37133, 66421, 74266, 132842, 148532, 265684, 4715891, 9431782, 18863564]

約数ペア:

[(1, 18863564), (2, 9431782), (4, 4715891), (71, 265684), (127, 148532), (142, 132842), (254, 74266), (284, 66421), (508, 37133), (523, 36068), (1046, 18034), (2092, 9017)]