18816418

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{739}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 29304000

約数和(自身を除く): 10487582

約数列:

[1, 2, 29, 58, 439, 739, 878, 1478, 12731, 21431, 25462, 42862, 324421, 648842, 9408209, 18816418]

約数ペア:

[(1, 18816418), (2, 9408209), (29, 648842), (58, 324421), (439, 42862), (739, 25462), (878, 21431), (1478, 12731)]