18898029

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1289}}^1$

素因数の和:1482

約数の個数: 20

約数和(自身を含む): 28408380

約数和(自身を除く): 9510351

約数列:

[1, 3, 9, 27, 81, 181, 543, 1289, 1629, 3867, 4887, 11601, 14661, 34803, 104409, 233309, 699927, 2099781, 6299343, 18898029]

約数ペア:

[(1, 18898029), (3, 6299343), (9, 2099781), (27, 699927), (81, 233309), (181, 104409), (543, 34803), (1289, 14661), (1629, 11601), (3867, 4887)]