18901370

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28211}}^1$

素因数の和:28285

約数の個数: 16

約数和(自身を含む): 34531488

約数和(自身を除く): 15630118

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 28211, 56422, 141055, 282110, 1890137, 3780274, 9450685, 18901370]

約数ペア:

[(1, 18901370), (2, 9450685), (5, 3780274), (10, 1890137), (67, 282110), (134, 141055), (335, 56422), (670, 28211)]