19863986685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 36309565440

約数和(自身を除く): 16445578755

約数列:

[1, 3, 5, 15, 17, 23, 37, 51, 69, 85, 111, 115, 185, 239, 255, 345, 383, 391, 555, 629, 717, 851, 1149, 1173, 1195, 1887, 1915, 1955, 2553, 3145, 3585, 4063, 4255, 5497, 5745, 5865, 6511, 8809, 8843, 9435, 12189, 12765, 14171, 14467, 16491, 19533, 20315, 26427, 26529, 27485, 32555, 42513, 43401, 44045, 44215, 60945, 70855, 72335, 82455, 91537, 93449, 97665, 132135, 132645, 149753, 150331, 203389, 212565, 217005, 240907, 274611, 280347, 325933, 449259, 450993, 457685, 467245, 610167, 722721, 748765, 751655, 977799, 1016945, 1204535, 1373055, 1401735, 1556129, 1629665, 2105351, 2246295, 2254965, 3050835, 3386869, 3457613, 3613605, 4668387, 4888995, 5540861, 6316053, 7780645, 10160607, 10372839, 10526755, 16622583, 16934345, 17288065, 23341935, 27704305, 31580265, 35790967, 50803035, 51864195, 57576773, 77897987, 83112915, 107372901, 172730319, 178954835, 233693961, 287883865, 389489935, 536864505, 863651595, 1168469805, 1324265779, 3972797337, 6621328895, 19863986685]

約数ペア:

[(1, 19863986685), (3, 6621328895), (5, 3972797337), (15, 1324265779), (17, 1168469805), (23, 863651595), (37, 536864505), (51, 389489935), (69, 287883865), (85, 233693961), (111, 178954835), (115, 172730319), (185, 107372901), (239, 83112915), (255, 77897987), (345, 57576773), (383, 51864195), (391, 50803035), (555, 35790967), (629, 31580265), (717, 27704305), (851, 23341935), (1149, 17288065), (1173, 16934345), (1195, 16622583), (1887, 10526755), (1915, 10372839), (1955, 10160607), (2553, 7780645), (3145, 6316053), (3585, 5540861), (4063, 4888995), (4255, 4668387), (5497, 3613605), (5745, 3457613), (5865, 3386869), (6511, 3050835), (8809, 2254965), (8843, 2246295), (9435, 2105351), (12189, 1629665), (12765, 1556129), (14171, 1401735), (14467, 1373055), (16491, 1204535), (19533, 1016945), (20315, 977799), (26427, 751655), (26529, 748765), (27485, 722721), (32555, 610167), (42513, 467245), (43401, 457685), (44045, 450993), (44215, 449259), (60945, 325933), (70855, 280347), (72335, 274611), (82455, 240907), (91537, 217005), (93449, 212565), (97665, 203389), (132135, 150331), (132645, 149753)]