19891268

素因数分解:

$2^2\times {\mathrm{1013}}^1\times {\mathrm{4909}}^1$

素因数の和:5926

約数の個数: 12

約数和(自身を含む): 34851180

約数和(自身を除く): 14959912

約数列:

[1, 2, 4, 1013, 2026, 4052, 4909, 9818, 19636, 4972817, 9945634, 19891268]

約数ペア:

[(1, 19891268), (2, 9945634), (4, 4972817), (1013, 19636), (2026, 9818), (4052, 4909)]