19903371435

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:939

約数の個数: 160

約数和(自身を含む): 39997488960

約数和(自身を除く): 20094117525

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 81, 85, 95, 135, 153, 171, 233, 255, 285, 323, 405, 459, 513, 653, 699, 765, 855, 969, 1165, 1377, 1539, 1615, 1959, 2097, 2295, 2565, 2907, 3265, 3495, 3961, 4427, 4845, 5877, 6291, 6885, 7695, 8721, 9795, 10485, 11101, 11883, 12407, 13281, 14535, 17631, 18873, 19805, 22135, 26163, 29385, 31455, 33303, 35649, 37221, 39843, 43605, 52893, 55505, 59415, 62035, 66405, 75259, 88155, 94365, 99909, 106947, 111663, 119529, 130815, 152149, 166515, 178245, 186105, 199215, 210919, 225777, 264465, 299727, 320841, 334989, 358587, 376295, 456447, 499545, 534735, 558315, 597645, 632757, 677331, 760745, 899181, 1004967, 1054595, 1128885, 1369341, 1498635, 1604205, 1674945, 1792935, 1898271, 2031993, 2282235, 2586533, 2890831, 3163785, 3386655, 4108023, 4495905, 5024835, 5694813, 6095979, 6846705, 7759599, 8672493, 9491355, 10159965, 12324069, 12932665, 14454155, 17084439, 20540115, 23278797, 26017479, 28474065, 30479895, 38797995, 43362465, 49144127, 61620345, 69836391, 78052437, 85422195, 116393985, 130087395, 147432381, 209509173, 234157311, 245720635, 349181955, 390262185, 442297143, 737161905, 1047545865, 1170786555, 1326891429, 2211485715, 3980674287, 6634457145, 19903371435]

約数ペア:

[(1, 19903371435), (3, 6634457145), (5, 3980674287), (9, 2211485715), (15, 1326891429), (17, 1170786555), (19, 1047545865), (27, 737161905), (45, 442297143), (51, 390262185), (57, 349181955), (81, 245720635), (85, 234157311), (95, 209509173), (135, 147432381), (153, 130087395), (171, 116393985), (233, 85422195), (255, 78052437), (285, 69836391), (323, 61620345), (405, 49144127), (459, 43362465), (513, 38797995), (653, 30479895), (699, 28474065), (765, 26017479), (855, 23278797), (969, 20540115), (1165, 17084439), (1377, 14454155), (1539, 12932665), (1615, 12324069), (1959, 10159965), (2097, 9491355), (2295, 8672493), (2565, 7759599), (2907, 6846705), (3265, 6095979), (3495, 5694813), (3961, 5024835), (4427, 4495905), (4845, 4108023), (5877, 3386655), (6291, 3163785), (6885, 2890831), (7695, 2586533), (8721, 2282235), (9795, 2031993), (10485, 1898271), (11101, 1792935), (11883, 1674945), (12407, 1604205), (13281, 1498635), (14535, 1369341), (17631, 1128885), (18873, 1054595), (19805, 1004967), (22135, 899181), (26163, 760745), (29385, 677331), (31455, 632757), (33303, 597645), (35649, 558315), (37221, 534735), (39843, 499545), (43605, 456447), (52893, 376295), (55505, 358587), (59415, 334989), (62035, 320841), (66405, 299727), (75259, 264465), (88155, 225777), (94365, 210919), (99909, 199215), (106947, 186105), (111663, 178245), (119529, 166515), (130815, 152149)]