19087796

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 42147840

約数和(自身を除く): 23060044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1279, 2132, 2558, 3731, 5116, 7462, 8953, 14924, 16627, 17906, 33254, 35812, 52439, 66508, 104878, 116389, 209756, 232778, 367073, 465556, 681707, 734146, 1363414, 1468292, 2726828, 4771949, 9543898, 19087796]

約数ペア:

[(1, 19087796), (2, 9543898), (4, 4771949), (7, 2726828), (13, 1468292), (14, 1363414), (26, 734146), (28, 681707), (41, 465556), (52, 367073), (82, 232778), (91, 209756), (164, 116389), (182, 104878), (287, 66508), (364, 52439), (533, 35812), (574, 33254), (1066, 17906), (1148, 16627), (1279, 14924), (2132, 8953), (2558, 7462), (3731, 5116)]