19956310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181421}}^1$

素因数の和:181439

約数の個数: 16

約数和(自身を含む): 39187152

約数和(自身を除く): 19230842

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181421, 362842, 907105, 1814210, 1995631, 3991262, 9978155, 19956310]

約数ペア:

[(1, 19956310), (2, 9978155), (5, 3991262), (10, 1995631), (11, 1814210), (22, 907105), (55, 362842), (110, 181421)]