1990668836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{2287}}^1$

素因数の和:3204

約数の個数: 48

約数和(自身を含む): 3955311360

約数和(自身を除く): 1964642524

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 881, 988, 1762, 2287, 3524, 4574, 9148, 11453, 16739, 22906, 29731, 33478, 43453, 45812, 59462, 66956, 86906, 118924, 173812, 217607, 435214, 564889, 870428, 1129778, 2014847, 2259556, 4029694, 8059388, 26193011, 38282093, 52386022, 76564186, 104772044, 153128372, 497667209, 995334418, 1990668836]

約数ペア:

[(1, 1990668836), (2, 995334418), (4, 497667209), (13, 153128372), (19, 104772044), (26, 76564186), (38, 52386022), (52, 38282093), (76, 26193011), (247, 8059388), (494, 4029694), (881, 2259556), (988, 2014847), (1762, 1129778), (2287, 870428), (3524, 564889), (4574, 435214), (9148, 217607), (11453, 173812), (16739, 118924), (22906, 86906), (29731, 66956), (33478, 59462), (43453, 45812)]