19885646385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{12637}}^1$

素因数の和:12704

約数の個数: 108

約数和(自身を含む): 40249729884

約数和(自身を除く): 20364083499

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 289, 363, 495, 561, 605, 765, 867, 935, 1089, 1445, 1683, 1815, 2057, 2601, 2805, 3179, 4335, 5445, 6171, 8415, 9537, 10285, 12637, 13005, 15895, 18513, 28611, 30855, 34969, 37911, 47685, 63185, 92565, 104907, 113733, 139007, 143055, 174845, 189555, 214829, 314721, 417021, 524535, 568665, 644487, 695035, 1074145, 1251063, 1529077, 1573605, 1933461, 2085105, 2363119, 3222435, 3652093, 4587231, 6255315, 7089357, 7645385, 9667305, 10956279, 11815595, 13761693, 18260465, 21268071, 22936155, 25994309, 32868837, 35446785, 40173023, 54781395, 68808465, 77982927, 106340355, 120519069, 129971545, 164344185, 200865115, 233948781, 361557207, 389914635, 441903253, 602595345, 1169743905, 1325709759, 1807786035, 2209516265, 3977129277, 6628548795, 19885646385]

約数ペア:

[(1, 19885646385), (3, 6628548795), (5, 3977129277), (9, 2209516265), (11, 1807786035), (15, 1325709759), (17, 1169743905), (33, 602595345), (45, 441903253), (51, 389914635), (55, 361557207), (85, 233948781), (99, 200865115), (121, 164344185), (153, 129971545), (165, 120519069), (187, 106340355), (255, 77982927), (289, 68808465), (363, 54781395), (495, 40173023), (561, 35446785), (605, 32868837), (765, 25994309), (867, 22936155), (935, 21268071), (1089, 18260465), (1445, 13761693), (1683, 11815595), (1815, 10956279), (2057, 9667305), (2601, 7645385), (2805, 7089357), (3179, 6255315), (4335, 4587231), (5445, 3652093), (6171, 3222435), (8415, 2363119), (9537, 2085105), (10285, 1933461), (12637, 1573605), (13005, 1529077), (15895, 1251063), (18513, 1074145), (28611, 695035), (30855, 644487), (34969, 568665), (37911, 524535), (47685, 417021), (63185, 314721), (92565, 214829), (104907, 189555), (113733, 174845), (139007, 143055)]