20178631818

素因数分解:

$2^1\times 3^3\times {\mathrm{83}}^1\times {\mathrm{4502149}}^1$

素因数の和:4502243

約数の個数: 32

約数和(自身を含む): 45381672000

約数和(自身を除く): 25203040182

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 83, 166, 249, 498, 747, 1494, 2241, 4482, 4502149, 9004298, 13506447, 27012894, 40519341, 81038682, 121558023, 243116046, 373678367, 747356734, 1121035101, 2242070202, 3363105303, 6726210606, 10089315909, 20178631818]

約数ペア:

[(1, 20178631818), (2, 10089315909), (3, 6726210606), (6, 3363105303), (9, 2242070202), (18, 1121035101), (27, 747356734), (54, 373678367), (83, 243116046), (166, 121558023), (249, 81038682), (498, 40519341), (747, 27012894), (1494, 13506447), (2241, 9004298), (4482, 4502149)]