18528411

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4421}}^1$

素因数の和:4562

約数の個数: 16

約数和(自身を含む): 27168768

約数和(自身を除く): 8640357

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 4421, 13263, 48631, 145893, 561467, 1684401, 6176137, 18528411]

約数ペア:

[(1, 18528411), (3, 6176137), (11, 1684401), (33, 561467), (127, 145893), (381, 48631), (1397, 13263), (4191, 4421)]