18982593

素因数分解:

$3^4\times 7^1\times {\mathrm{33479}}^1$

素因数の和:33498

約数の個数: 20

約数和(自身を含む): 32408640

約数和(自身を除く): 13426047

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 33479, 100437, 234353, 301311, 703059, 903933, 2109177, 2711799, 6327531, 18982593]

約数ペア:

[(1, 18982593), (3, 6327531), (7, 2711799), (9, 2109177), (21, 903933), (27, 703059), (63, 301311), (81, 234353), (189, 100437), (567, 33479)]