18714088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 20943512

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 53, 76, 92, 101, 106, 152, 184, 202, 212, 404, 424, 437, 808, 874, 1007, 1219, 1748, 1919, 2014, 2323, 2438, 3496, 3838, 4028, 4646, 4876, 5353, 7676, 8056, 9292, 9752, 10706, 15352, 18584, 21412, 23161, 42824, 44137, 46322, 88274, 92644, 101707, 123119, 176548, 185288, 203414, 246238, 353096, 406828, 492476, 813656, 984952, 2339261, 4678522, 9357044, 18714088]

約数ペア:

[(1, 18714088), (2, 9357044), (4, 4678522), (8, 2339261), (19, 984952), (23, 813656), (38, 492476), (46, 406828), (53, 353096), (76, 246238), (92, 203414), (101, 185288), (106, 176548), (152, 123119), (184, 101707), (202, 92644), (212, 88274), (404, 46322), (424, 44137), (437, 42824), (808, 23161), (874, 21412), (1007, 18584), (1219, 15352), (1748, 10706), (1919, 9752), (2014, 9292), (2323, 8056), (2438, 7676), (3496, 5353), (3838, 4876), (4028, 4646)]