19407531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 32014080

約数和(自身を除く): 12606549

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2381, 2717, 7143, 8151, 26191, 30953, 45239, 78573, 92859, 135717, 340483, 497629, 588107, 1021449, 1492887, 1764321, 6469177, 19407531]

約数ペア:

[(1, 19407531), (3, 6469177), (11, 1764321), (13, 1492887), (19, 1021449), (33, 588107), (39, 497629), (57, 340483), (143, 135717), (209, 92859), (247, 78573), (429, 45239), (627, 30953), (741, 26191), (2381, 8151), (2717, 7143)]