18908851

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21016800

約数和(自身を除く): 2107949

約数列:

[1, 13, 59, 89, 277, 767, 1157, 3601, 5251, 16343, 24653, 68263, 212459, 320489, 1454527, 18908851]

約数ペア:

[(1, 18908851), (13, 1454527), (59, 320489), (89, 212459), (277, 68263), (767, 24653), (1157, 16343), (3601, 5251)]