18318391

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4283}}^1$

素因数の和:4350

約数の個数: 16

約数和(自身を含む): 23030784

約数和(自身を除く): 4712393

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4283, 29981, 55679, 201301, 389753, 1409107, 2616913, 18318391]

約数ペア:

[(1, 18318391), (7, 2616913), (13, 1409107), (47, 389753), (91, 201301), (329, 55679), (611, 29981), (4277, 4283)]