18379629

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2203}}^1$

素因数の和:2318

約数の個数: 20

約数和(自身を含む): 27735136

約数和(自身を除く): 9355507

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2203, 2781, 6609, 8343, 19827, 59481, 178443, 226909, 680727, 2042181, 6126543, 18379629]

約数ペア:

[(1, 18379629), (3, 6126543), (9, 2042181), (27, 680727), (81, 226909), (103, 178443), (309, 59481), (927, 19827), (2203, 8343), (2781, 6609)]