19033947

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 30707040

約数和(自身を除く): 11673093

約数列:

[1, 3, 9, 27, 29, 37, 73, 81, 87, 111, 219, 243, 261, 333, 657, 783, 999, 1073, 1971, 2117, 2349, 2701, 2997, 3219, 5913, 6351, 7047, 8103, 8991, 9657, 17739, 19053, 24309, 28971, 57159, 72927, 78329, 86913, 171477, 218781, 234987, 260739, 514431, 656343, 704961, 2114883, 6344649, 19033947]

約数ペア:

[(1, 19033947), (3, 6344649), (9, 2114883), (27, 704961), (29, 656343), (37, 514431), (73, 260739), (81, 234987), (87, 218781), (111, 171477), (219, 86913), (243, 78329), (261, 72927), (333, 57159), (657, 28971), (783, 24309), (999, 19053), (1073, 17739), (1971, 9657), (2117, 8991), (2349, 8103), (2701, 7047), (2997, 6351), (3219, 5913)]