17959389

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 30431232

約数和(自身を除く): 12471843

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 103, 133, 161, 309, 361, 399, 437, 483, 721, 1083, 1311, 1957, 2163, 2369, 2527, 3059, 5871, 7107, 7581, 8303, 9177, 13699, 16583, 24909, 37183, 41097, 45011, 49749, 58121, 111549, 135033, 174363, 260281, 315077, 780843, 855209, 945231, 2565627, 5986463, 17959389]

約数ペア:

[(1, 17959389), (3, 5986463), (7, 2565627), (19, 945231), (21, 855209), (23, 780843), (57, 315077), (69, 260281), (103, 174363), (133, 135033), (161, 111549), (309, 58121), (361, 49749), (399, 45011), (437, 41097), (483, 37183), (721, 24909), (1083, 16583), (1311, 13699), (1957, 9177), (2163, 8303), (2369, 7581), (2527, 7107), (3059, 5871)]