19140251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 21228480

約数和(自身を除く): 2088229

約数列:

[1, 13, 71, 89, 233, 923, 1157, 3029, 6319, 16543, 20737, 82147, 215059, 269581, 1472327, 19140251]

約数ペア:

[(1, 19140251), (13, 1472327), (71, 269581), (89, 215059), (233, 82147), (923, 20737), (1157, 16543), (3029, 6319)]