19642454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 13621546

約数列:

[1, 2, 13, 26, 29, 58, 109, 218, 239, 377, 478, 754, 1417, 2834, 3107, 3161, 6214, 6322, 6931, 13862, 26051, 41093, 52102, 82186, 90103, 180206, 338663, 677326, 755479, 1510958, 9821227, 19642454]

約数ペア:

[(1, 19642454), (2, 9821227), (13, 1510958), (26, 755479), (29, 677326), (58, 338663), (109, 180206), (218, 90103), (239, 82186), (377, 52102), (478, 41093), (754, 26051), (1417, 13862), (2834, 6931), (3107, 6322), (3161, 6214)]