18615861

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4373}}^1$

素因数の和:4433

約数の個数: 24

約数和(自身を含む): 30023136

約数和(自身を除く): 11407275

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4373, 13119, 39357, 48103, 144309, 188039, 432927, 564117, 1692351, 2068429, 6205287, 18615861]

約数ペア:

[(1, 18615861), (3, 6205287), (9, 2068429), (11, 1692351), (33, 564117), (43, 432927), (99, 188039), (129, 144309), (387, 48103), (473, 39357), (1419, 13119), (4257, 4373)]