18508701726

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:871

約数の個数: 144

約数和(自身を含む): 43877630160

約数和(自身を除く): 25368928434

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 97, 138, 174, 194, 207, 261, 291, 414, 522, 529, 582, 667, 691, 873, 1058, 1334, 1382, 1587, 1746, 2001, 2073, 2231, 2813, 3174, 4002, 4146, 4462, 4761, 5626, 6003, 6219, 6693, 8439, 9522, 12006, 12438, 13386, 15341, 15893, 16878, 20039, 20079, 25317, 30682, 31786, 40078, 40158, 46023, 47679, 50634, 51313, 60117, 64699, 67027, 92046, 95358, 102626, 120234, 129398, 134054, 138069, 143037, 153939, 180351, 194097, 201081, 276138, 286074, 307878, 360702, 365539, 388194, 402162, 460897, 461817, 582291, 603243, 731078, 921794, 923634, 1096617, 1164582, 1206486, 1382691, 1488077, 1541621, 1943783, 2193234, 2765382, 2976154, 3083242, 3289851, 3887566, 4148073, 4464231, 4624863, 5831349, 6579702, 8296146, 8928462, 9249726, 10600631, 11662698, 13392693, 13874589, 17494047, 21201262, 26785386, 27749178, 31801893, 34988094, 35457283, 44707009, 63603786, 70914566, 89414018, 95405679, 106371849, 134121027, 190811358, 212743698, 268242054, 319115547, 402363081, 638231094, 804726162, 1028261207, 2056522414, 3084783621, 6169567242, 9254350863, 18508701726]

約数ペア:

[(1, 18508701726), (2, 9254350863), (3, 6169567242), (6, 3084783621), (9, 2056522414), (18, 1028261207), (23, 804726162), (29, 638231094), (46, 402363081), (58, 319115547), (69, 268242054), (87, 212743698), (97, 190811358), (138, 134121027), (174, 106371849), (194, 95405679), (207, 89414018), (261, 70914566), (291, 63603786), (414, 44707009), (522, 35457283), (529, 34988094), (582, 31801893), (667, 27749178), (691, 26785386), (873, 21201262), (1058, 17494047), (1334, 13874589), (1382, 13392693), (1587, 11662698), (1746, 10600631), (2001, 9249726), (2073, 8928462), (2231, 8296146), (2813, 6579702), (3174, 5831349), (4002, 4624863), (4146, 4464231), (4462, 4148073), (4761, 3887566), (5626, 3289851), (6003, 3083242), (6219, 2976154), (6693, 2765382), (8439, 2193234), (9522, 1943783), (12006, 1541621), (12438, 1488077), (13386, 1382691), (15341, 1206486), (15893, 1164582), (16878, 1096617), (20039, 923634), (20079, 921794), (25317, 731078), (30682, 603243), (31786, 582291), (40078, 461817), (40158, 460897), (46023, 402162), (47679, 388194), (50634, 365539), (51313, 360702), (60117, 307878), (64699, 286074), (67027, 276138), (92046, 201081), (95358, 194097), (102626, 180351), (120234, 153939), (129398, 143037), (134054, 138069)]