18469503

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12143}}^1$

素因数の和:12175

約数の個数: 18

約数和(自身を含む): 28890576

約数和(自身を除く): 10421073

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12143, 36429, 109287, 157859, 473577, 1420731, 2052167, 6156501, 18469503]

約数ペア:

[(1, 18469503), (3, 6156501), (9, 2052167), (13, 1420731), (39, 473577), (117, 157859), (169, 109287), (507, 36429), (1521, 12143)]