19643357

素因数分解:

${\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:640

約数の個数: 12

約数和(自身を含む): 20863584

約数和(自身を除く): 1220227

約数列:

[1, 23, 71, 523, 529, 1633, 12029, 37133, 37559, 276667, 854059, 19643357]

約数ペア:

[(1, 19643357), (23, 854059), (71, 276667), (523, 37559), (529, 37133), (1633, 12029)]