18971799

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{82129}}^1$

素因数の和:82150

約数の個数: 16

約数和(自身を含む): 31537920

約数和(自身を除く): 12566121

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 82129, 246387, 574903, 903419, 1724709, 2710257, 6323933, 18971799]

約数ペア:

[(1, 18971799), (3, 6323933), (7, 2710257), (11, 1724709), (21, 903419), (33, 574903), (77, 246387), (231, 82129)]