19376925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 34283520

約数和(自身を除く): 14906595

約数列:

[1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 235, 239, 345, 575, 705, 717, 1081, 1175, 1195, 1725, 3243, 3525, 3585, 5405, 5497, 5975, 11233, 16215, 16491, 17925, 27025, 27485, 33699, 56165, 81075, 82455, 137425, 168495, 258359, 280825, 412275, 775077, 842475, 1291795, 3875385, 6458975, 19376925]

約数ペア:

[(1, 19376925), (3, 6458975), (5, 3875385), (15, 1291795), (23, 842475), (25, 775077), (47, 412275), (69, 280825), (75, 258359), (115, 168495), (141, 137425), (235, 82455), (239, 81075), (345, 56165), (575, 33699), (705, 27485), (717, 27025), (1081, 17925), (1175, 16491), (1195, 16215), (1725, 11233), (3243, 5975), (3525, 5497), (3585, 5405)]