18912745

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 23480640

約数和(自身を除く): 4567895

約数列:

[1, 5, 59, 61, 295, 305, 1051, 3599, 5255, 17995, 62009, 64111, 310045, 320555, 3782549, 18912745]

約数ペア:

[(1, 18912745), (5, 3782549), (59, 320555), (61, 310045), (295, 64111), (305, 62009), (1051, 17995), (3599, 5255)]