19270394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 35100864

約数和(自身を除く): 15830470

約数列:

[1, 2, 11, 13, 22, 26, 71, 73, 142, 143, 146, 169, 286, 338, 781, 803, 923, 949, 1562, 1606, 1846, 1859, 1898, 3718, 5183, 10153, 10366, 10439, 11999, 12337, 20306, 20878, 23998, 24674, 57013, 67379, 114026, 131989, 134758, 135707, 263978, 271414, 741169, 875927, 1482338, 1751854, 9635197, 19270394]

約数ペア:

[(1, 19270394), (2, 9635197), (11, 1751854), (13, 1482338), (22, 875927), (26, 741169), (71, 271414), (73, 263978), (142, 135707), (143, 134758), (146, 131989), (169, 114026), (286, 67379), (338, 57013), (781, 24674), (803, 23998), (923, 20878), (949, 20306), (1562, 12337), (1606, 11999), (1846, 10439), (1859, 10366), (1898, 10153), (3718, 5183)]