18680452021

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{6481}}^1$

素因数の和:6634

約数の個数: 48

約数和(自身を含む): 24332079744

約数和(自身を除く): 5651627723

約数列:

[1, 7, 11, 41, 77, 83, 121, 287, 451, 581, 847, 913, 3157, 3403, 4961, 6391, 6481, 10043, 23821, 34727, 37433, 45367, 70301, 71291, 262031, 265721, 411763, 499037, 537923, 784201, 1860047, 2882341, 2922931, 3765461, 5489407, 5917153, 20460517, 22054843, 32152241, 41420071, 65088683, 154383901, 225065687, 242603273, 455620781, 1698222911, 2668636003, 18680452021]

約数ペア:

[(1, 18680452021), (7, 2668636003), (11, 1698222911), (41, 455620781), (77, 242603273), (83, 225065687), (121, 154383901), (287, 65088683), (451, 41420071), (581, 32152241), (847, 22054843), (913, 20460517), (3157, 5917153), (3403, 5489407), (4961, 3765461), (6391, 2922931), (6481, 2882341), (10043, 1860047), (23821, 784201), (34727, 537923), (37433, 499037), (45367, 411763), (70301, 265721), (71291, 262031)]