19707606

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 44388864

約数和(自身を除く): 24681258

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 127, 222, 233, 254, 333, 381, 466, 666, 699, 762, 1143, 1398, 2097, 2286, 4194, 4699, 8621, 9398, 14097, 17242, 25863, 28194, 29591, 42291, 51726, 59182, 77589, 84582, 88773, 155178, 177546, 266319, 532638, 1094867, 2189734, 3284601, 6569202, 9853803, 19707606]

約数ペア:

[(1, 19707606), (2, 9853803), (3, 6569202), (6, 3284601), (9, 2189734), (18, 1094867), (37, 532638), (74, 266319), (111, 177546), (127, 155178), (222, 88773), (233, 84582), (254, 77589), (333, 59182), (381, 51726), (466, 42291), (666, 29591), (699, 28194), (762, 25863), (1143, 17242), (1398, 14097), (2097, 9398), (2286, 8621), (4194, 4699)]