19661707

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 22952160

約数和(自身を除く): 3290453

約数列:

[1, 13, 17, 43, 221, 559, 731, 2069, 9503, 26897, 35173, 88967, 457249, 1156571, 1512439, 19661707]

約数ペア:

[(1, 19661707), (13, 1512439), (17, 1156571), (43, 457249), (221, 88967), (559, 35173), (731, 26897), (2069, 9503)]