18822578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7393}}^1$

素因数の和:7481

約数の個数: 16

約数和(自身を含む): 30167520

約数和(自身を除く): 11344942

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7393, 14786, 140467, 280934, 495331, 990662, 9411289, 18822578]

約数ペア:

[(1, 18822578), (2, 9411289), (19, 990662), (38, 495331), (67, 280934), (134, 140467), (1273, 14786), (2546, 7393)]