19510282

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{80621}}^1$

素因数の和:80645

約数の個数: 12

約数和(自身を含む): 32168178

約数和(自身を除く): 12657896

約数列:

[1, 2, 11, 22, 121, 242, 80621, 161242, 886831, 1773662, 9755141, 19510282]

約数ペア:

[(1, 19510282), (2, 9755141), (11, 1773662), (22, 886831), (121, 161242), (242, 80621)]