18664804543

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{56359}}^1$

素因数の和:56428

約数の個数: 48

約数和(自身を含む): 25905761280

約数和(自身を除く): 7240956737

約数列:

[1, 7, 11, 17, 23, 77, 119, 121, 161, 187, 253, 391, 847, 1309, 1771, 2057, 2737, 2783, 4301, 14399, 19481, 30107, 47311, 56359, 331177, 394513, 619949, 958103, 1296257, 4339643, 6706721, 6819439, 9073799, 10539133, 14258827, 22036369, 47736073, 73773931, 99811789, 115930463, 154254583, 156847097, 242400059, 811513241, 1097929679, 1696800413, 2666400649, 18664804543]

約数ペア:

[(1, 18664804543), (7, 2666400649), (11, 1696800413), (17, 1097929679), (23, 811513241), (77, 242400059), (119, 156847097), (121, 154254583), (161, 115930463), (187, 99811789), (253, 73773931), (391, 47736073), (847, 22036369), (1309, 14258827), (1771, 10539133), (2057, 9073799), (2737, 6819439), (2783, 6706721), (4301, 4339643), (14399, 1296257), (19481, 958103), (30107, 619949), (47311, 394513), (56359, 331177)]