18219019

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11777}}^1$

素因数の和:11814

約数の個数: 16

約数和(自身を含む): 23744448

約数和(自身を除く): 5525429

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 11777, 82439, 153101, 200209, 1071707, 1401463, 2602717, 18219019]

約数ペア:

[(1, 18219019), (7, 2602717), (13, 1401463), (17, 1071707), (91, 200209), (119, 153101), (221, 82439), (1547, 11777)]