13220478

素因数分解:

$2^1\times 3^2\times {\mathrm{734471}}^1$

素因数の和:734479

約数の個数: 12

約数和(自身を含む): 28644408

約数和(自身を除く): 15423930

約数列:

[1, 2, 3, 6, 9, 18, 734471, 1468942, 2203413, 4406826, 6610239, 13220478]

約数ペア:

[(1, 13220478), (2, 6610239), (3, 4406826), (6, 2203413), (9, 1468942), (18, 734471)]