19905574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7433}}^1$

素因数の和:7551

約数の個数: 16

約数和(自身を含む): 32471712

約数和(自身を除く): 12566138

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7433, 14866, 96629, 193258, 765599, 1531198, 9952787, 19905574]

約数ペア:

[(1, 19905574), (2, 9952787), (13, 1531198), (26, 765599), (103, 193258), (206, 96629), (1339, 14866), (2678, 7433)]