19986381954

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{2707}}^1$

素因数の和:3501

約数の個数: 144

約数和(自身を含む): 55045819296

約数和(自身を除く): 35059437342

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 761, 882, 1078, 1386, 1522, 1617, 2283, 2707, 3234, 4566, 4851, 5327, 5414, 6849, 8121, 8371, 9702, 10654, 13698, 15981, 16242, 16742, 18949, 24363, 25113, 29777, 31962, 37289, 37898, 47943, 48726, 50226, 56847, 58597, 59554, 74578, 75339, 89331, 95886, 111867, 113694, 117194, 132643, 150678, 170541, 175791, 178662, 208439, 223734, 265286, 267993, 335601, 341082, 351582, 397929, 410179, 416878, 527373, 535986, 625317, 671202, 795858, 820358, 1054746, 1193787, 1230537, 1250634, 1459073, 1875951, 2060027, 2387574, 2461074, 2918146, 3691611, 3751902, 4120054, 4377219, 6180081, 7383222, 8754438, 12360162, 13131657, 14420189, 18540243, 22660297, 26263314, 28840378, 37080486, 43260567, 45320594, 67980891, 86521134, 100941323, 129781701, 135961782, 158622079, 201882646, 203942673, 259563402, 302823969, 317244158, 407885346, 475866237, 605647938, 908471907, 951732474, 1110354553, 1427598711, 1816943814, 2220709106, 2855197422, 3331063659, 6662127318, 9993190977, 19986381954]

約数ペア:

[(1, 19986381954), (2, 9993190977), (3, 6662127318), (6, 3331063659), (7, 2855197422), (9, 2220709106), (11, 1816943814), (14, 1427598711), (18, 1110354553), (21, 951732474), (22, 908471907), (33, 605647938), (42, 475866237), (49, 407885346), (63, 317244158), (66, 302823969), (77, 259563402), (98, 203942673), (99, 201882646), (126, 158622079), (147, 135961782), (154, 129781701), (198, 100941323), (231, 86521134), (294, 67980891), (441, 45320594), (462, 43260567), (539, 37080486), (693, 28840378), (761, 26263314), (882, 22660297), (1078, 18540243), (1386, 14420189), (1522, 13131657), (1617, 12360162), (2283, 8754438), (2707, 7383222), (3234, 6180081), (4566, 4377219), (4851, 4120054), (5327, 3751902), (5414, 3691611), (6849, 2918146), (8121, 2461074), (8371, 2387574), (9702, 2060027), (10654, 1875951), (13698, 1459073), (15981, 1250634), (16242, 1230537), (16742, 1193787), (18949, 1054746), (24363, 820358), (25113, 795858), (29777, 671202), (31962, 625317), (37289, 535986), (37898, 527373), (47943, 416878), (48726, 410179), (50226, 397929), (56847, 351582), (58597, 341082), (59554, 335601), (74578, 267993), (75339, 265286), (89331, 223734), (95886, 208439), (111867, 178662), (113694, 175791), (117194, 170541), (132643, 150678)]