18769587

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 27955200

約数和(自身を除く): 9185613

約数列:

[1, 3, 19, 23, 57, 69, 103, 139, 309, 417, 437, 1311, 1957, 2369, 2641, 3197, 5871, 7107, 7923, 9591, 14317, 42951, 45011, 60743, 135033, 182229, 272023, 329291, 816069, 987873, 6256529, 18769587]

約数ペア:

[(1, 18769587), (3, 6256529), (19, 987873), (23, 816069), (57, 329291), (69, 272023), (103, 182229), (139, 135033), (309, 60743), (417, 45011), (437, 42951), (1311, 14317), (1957, 9591), (2369, 7923), (2641, 7107), (3197, 5871)]