19172911

素因数分解:

${\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:414

約数の個数: 12

約数和(自身を含む): 20161872

約数和(自身を除く): 988961

約数列:

[1, 31, 71, 281, 961, 2201, 8711, 19951, 68231, 270041, 618481, 19172911]

約数ペア:

[(1, 19172911), (31, 618481), (71, 270041), (281, 68231), (961, 19951), (2201, 8711)]