19661251

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^2$

素因数の和:330

約数の個数: 12

約数和(自身を含む): 21069072

約数和(自身を除く): 1407821

約数列:

[1, 23, 53, 127, 1219, 2921, 6731, 16129, 154813, 370967, 854837, 19661251]

約数ペア:

[(1, 19661251), (23, 854837), (53, 370967), (127, 154813), (1219, 16129), (2921, 6731)]