18976287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 28349568

約数和(自身を除く): 9373281

約数列:

[1, 3, 11, 33, 43, 129, 311, 473, 933, 1419, 1849, 3421, 5547, 10263, 13373, 20339, 40119, 61017, 147103, 441309, 575039, 1725117, 6325429, 18976287]

約数ペア:

[(1, 18976287), (3, 6325429), (11, 1725117), (33, 575039), (43, 441309), (129, 147103), (311, 61017), (473, 40119), (933, 20339), (1419, 13373), (1849, 10263), (3421, 5547)]