18820087

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3557}}^1$

素因数の和:3618

約数の個数: 16

約数和(自身を含む): 22714272

約数和(自身を除く): 3894185

約数列:

[1, 11, 13, 37, 143, 407, 481, 3557, 5291, 39127, 46241, 131609, 508651, 1447699, 1710917, 18820087]

約数ペア:

[(1, 18820087), (11, 1710917), (13, 1447699), (37, 508651), (143, 131609), (407, 46241), (481, 39127), (3557, 5291)]