19907069

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{773}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 24619392

約数和(自身を除く): 4712323

約数列:

[1, 7, 13, 91, 283, 773, 1981, 3679, 5411, 10049, 25753, 70343, 218759, 1531313, 2843867, 19907069]

約数ペア:

[(1, 19907069), (7, 2843867), (13, 1531313), (91, 218759), (283, 70343), (773, 25753), (1981, 10049), (3679, 5411)]