19947911340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{11621}}^1$

素因数の和:11768

約数の個数: 192

約数和(自身を含む): 65853785088

約数和(自身を除く): 45905873748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 67, 70, 84, 105, 122, 134, 140, 183, 201, 210, 244, 268, 305, 335, 366, 402, 420, 427, 469, 610, 670, 732, 804, 854, 915, 938, 1005, 1220, 1281, 1340, 1407, 1708, 1830, 1876, 2010, 2135, 2345, 2562, 2814, 3660, 4020, 4087, 4270, 4690, 5124, 5628, 6405, 7035, 8174, 8540, 9380, 11621, 12261, 12810, 14070, 16348, 20435, 23242, 24522, 25620, 28140, 28609, 34863, 40870, 46484, 49044, 57218, 58105, 61305, 69726, 81347, 81740, 85827, 114436, 116210, 122610, 139452, 143045, 162694, 171654, 174315, 232420, 244041, 245220, 286090, 325388, 343308, 348630, 406735, 429135, 488082, 572180, 697260, 708881, 778607, 813470, 858270, 976164, 1220205, 1417762, 1557214, 1626940, 1716540, 2126643, 2335821, 2440410, 2835524, 3114428, 3544405, 3893035, 4253286, 4671642, 4880820, 4962167, 5450249, 7088810, 7786070, 8506572, 9343284, 9924334, 10633215, 10900498, 11679105, 14177620, 14886501, 15572140, 16350747, 19848668, 21266430, 21800996, 23358210, 24810835, 27251245, 29773002, 32701494, 42532860, 46716420, 47495027, 49621670, 54502490, 59546004, 65402988, 74432505, 81753735, 94990054, 99243340, 109004980, 142485081, 148865010, 163507470, 189980108, 237475135, 284970162, 297730020, 327014940, 332465189, 474950270, 569940324, 664930378, 712425405, 949900540, 997395567, 1329860756, 1424850810, 1662325945, 1994791134, 2849701620, 3324651890, 3989582268, 4986977835, 6649303780, 9973955670, 19947911340]

約数ペア:

[(1, 19947911340), (2, 9973955670), (3, 6649303780), (4, 4986977835), (5, 3989582268), (6, 3324651890), (7, 2849701620), (10, 1994791134), (12, 1662325945), (14, 1424850810), (15, 1329860756), (20, 997395567), (21, 949900540), (28, 712425405), (30, 664930378), (35, 569940324), (42, 474950270), (60, 332465189), (61, 327014940), (67, 297730020), (70, 284970162), (84, 237475135), (105, 189980108), (122, 163507470), (134, 148865010), (140, 142485081), (183, 109004980), (201, 99243340), (210, 94990054), (244, 81753735), (268, 74432505), (305, 65402988), (335, 59546004), (366, 54502490), (402, 49621670), (420, 47495027), (427, 46716420), (469, 42532860), (610, 32701494), (670, 29773002), (732, 27251245), (804, 24810835), (854, 23358210), (915, 21800996), (938, 21266430), (1005, 19848668), (1220, 16350747), (1281, 15572140), (1340, 14886501), (1407, 14177620), (1708, 11679105), (1830, 10900498), (1876, 10633215), (2010, 9924334), (2135, 9343284), (2345, 8506572), (2562, 7786070), (2814, 7088810), (3660, 5450249), (4020, 4962167), (4087, 4880820), (4270, 4671642), (4690, 4253286), (5124, 3893035), (5628, 3544405), (6405, 3114428), (7035, 2835524), (8174, 2440410), (8540, 2335821), (9380, 2126643), (11621, 1716540), (12261, 1626940), (12810, 1557214), (14070, 1417762), (16348, 1220205), (20435, 976164), (23242, 858270), (24522, 813470), (25620, 778607), (28140, 708881), (28609, 697260), (34863, 572180), (40870, 488082), (46484, 429135), (49044, 406735), (57218, 348630), (58105, 343308), (61305, 325388), (69726, 286090), (81347, 245220), (81740, 244041), (85827, 232420), (114436, 174315), (116210, 171654), (122610, 162694), (139452, 143045)]