18638067

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21647}}^1$

素因数の和:21698

約数の個数: 16

約数和(自身を含む): 29094912

約数和(自身を除く): 10456845

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21647, 64941, 151529, 454587, 887527, 2662581, 6212689, 18638067]

約数ペア:

[(1, 18638067), (3, 6212689), (7, 2662581), (21, 887527), (41, 454587), (123, 151529), (287, 64941), (861, 21647)]