18837

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:49

約数の個数: 24

約数和(自身を含む): 34944

約数和(自身を除く): 16107

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1449, 2093, 2691, 6279, 18837]

約数ペア:

[(1, 18837), (3, 6279), (7, 2691), (9, 2093), (13, 1449), (21, 897), (23, 819), (39, 483), (63, 299), (69, 273), (91, 207), (117, 161)]