15928813818

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:829

約数の個数: 144

約数和(自身を含む): 38017048680

約数和(自身を除く): 22088234862

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 137, 171, 174, 261, 274, 342, 361, 411, 522, 551, 617, 722, 822, 1083, 1102, 1233, 1234, 1653, 1851, 2166, 2466, 2603, 3249, 3306, 3702, 3973, 4959, 5206, 5553, 6498, 7809, 7946, 9918, 10469, 11106, 11723, 11919, 15618, 17893, 20938, 23427, 23446, 23838, 31407, 35169, 35757, 35786, 46854, 49457, 53679, 62814, 70338, 71514, 75487, 84529, 94221, 98914, 105507, 107358, 148371, 150974, 161037, 169058, 188442, 211014, 222737, 226461, 253587, 296742, 322074, 339967, 445113, 445474, 452922, 507174, 668211, 679383, 679934, 760761, 890226, 1019901, 1336422, 1358766, 1434253, 1521522, 1606051, 2004633, 2039802, 2451341, 2868506, 3059703, 3212102, 4009266, 4302759, 4818153, 4902682, 6119406, 6459373, 7354023, 8605518, 9636306, 12908277, 12918746, 14454459, 14708046, 19378119, 22062069, 25816554, 28908918, 30514969, 38756238, 44124138, 46575479, 58134357, 61029938, 91544907, 93150958, 116268714, 139726437, 183089814, 274634721, 279452874, 419179311, 549269442, 838358622, 884934101, 1769868202, 2654802303, 5309604606, 7964406909, 15928813818]

約数ペア:

[(1, 15928813818), (2, 7964406909), (3, 5309604606), (6, 2654802303), (9, 1769868202), (18, 884934101), (19, 838358622), (29, 549269442), (38, 419179311), (57, 279452874), (58, 274634721), (87, 183089814), (114, 139726437), (137, 116268714), (171, 93150958), (174, 91544907), (261, 61029938), (274, 58134357), (342, 46575479), (361, 44124138), (411, 38756238), (522, 30514969), (551, 28908918), (617, 25816554), (722, 22062069), (822, 19378119), (1083, 14708046), (1102, 14454459), (1233, 12918746), (1234, 12908277), (1653, 9636306), (1851, 8605518), (2166, 7354023), (2466, 6459373), (2603, 6119406), (3249, 4902682), (3306, 4818153), (3702, 4302759), (3973, 4009266), (4959, 3212102), (5206, 3059703), (5553, 2868506), (6498, 2451341), (7809, 2039802), (7946, 2004633), (9918, 1606051), (10469, 1521522), (11106, 1434253), (11723, 1358766), (11919, 1336422), (15618, 1019901), (17893, 890226), (20938, 760761), (23427, 679934), (23446, 679383), (23838, 668211), (31407, 507174), (35169, 452922), (35757, 445474), (35786, 445113), (46854, 339967), (49457, 322074), (53679, 296742), (62814, 253587), (70338, 226461), (71514, 222737), (75487, 211014), (84529, 188442), (94221, 169058), (98914, 161037), (105507, 150974), (107358, 148371)]