18811233

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6353}}^1$

素因数の和:6413

約数の個数: 24

約数和(自身を含む): 31719168

約数和(自身を除く): 12907935

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6353, 19059, 44471, 57177, 133413, 298591, 400239, 895773, 2090137, 2687319, 6270411, 18811233]

約数ペア:

[(1, 18811233), (3, 6270411), (7, 2687319), (9, 2090137), (21, 895773), (47, 400239), (63, 298591), (141, 133413), (329, 57177), (423, 44471), (987, 19059), (2961, 6353)]