181761372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20483

約数の個数: 72

約数和(自身を含む): 520862160

約数和(自身を除く): 339100788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20441, 40882, 61323, 81764, 122646, 183969, 245292, 265733, 367938, 388379, 531466, 735876, 776758, 797199, 1062932, 1165137, 1553516, 1594398, 2330274, 2391597, 3188796, 3495411, 4660548, 4783194, 5048927, 6990822, 9566388, 10097854, 13981644, 15146781, 20195708, 30293562, 45440343, 60587124, 90880686, 181761372]

約数ペア:

[(1, 181761372), (2, 90880686), (3, 60587124), (4, 45440343), (6, 30293562), (9, 20195708), (12, 15146781), (13, 13981644), (18, 10097854), (19, 9566388), (26, 6990822), (36, 5048927), (38, 4783194), (39, 4660548), (52, 3495411), (57, 3188796), (76, 2391597), (78, 2330274), (114, 1594398), (117, 1553516), (156, 1165137), (171, 1062932), (228, 797199), (234, 776758), (247, 735876), (342, 531466), (468, 388379), (494, 367938), (684, 265733), (741, 245292), (988, 183969), (1482, 122646), (2223, 81764), (2964, 61323), (4446, 40882), (8892, 20441)]