18820842

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{72949}}^1$

素因数の和:72997

約数の個数: 16

約数和(自身を含む): 38517600

約数和(自身を除く): 19696758

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 72949, 145898, 218847, 437694, 3136807, 6273614, 9410421, 18820842]

約数ペア:

[(1, 18820842), (2, 9410421), (3, 6273614), (6, 3136807), (43, 437694), (86, 218847), (129, 145898), (258, 72949)]