18781279488

素因数分解:

$2^8\times 3^6\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:832

約数の個数: 252

約数和(自身を含む): 56654339028

約数和(自身を除く): 37873059540

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 157, 162, 192, 216, 243, 256, 288, 314, 324, 384, 432, 471, 486, 576, 628, 641, 648, 729, 768, 864, 942, 972, 1152, 1256, 1282, 1296, 1413, 1458, 1728, 1884, 1923, 1944, 2304, 2512, 2564, 2592, 2826, 2916, 3456, 3768, 3846, 3888, 4239, 5024, 5128, 5184, 5652, 5769, 5832, 6912, 7536, 7692, 7776, 8478, 10048, 10256, 10368, 11304, 11538, 11664, 12717, 15072, 15384, 15552, 16956, 17307, 20096, 20512, 20736, 22608, 23076, 23328, 25434, 30144, 30768, 31104, 33912, 34614, 38151, 40192, 41024, 45216, 46152, 46656, 50868, 51921, 60288, 61536, 62208, 67824, 69228, 76302, 82048, 90432, 92304, 93312, 100637, 101736, 103842, 114453, 120576, 123072, 135648, 138456, 152604, 155763, 164096, 180864, 184608, 186624, 201274, 203472, 207684, 228906, 246144, 271296, 276912, 301911, 305208, 311526, 361728, 369216, 402548, 406944, 415368, 457812, 467289, 492288, 542592, 553824, 603822, 610416, 623052, 738432, 805096, 813888, 830736, 905733, 915624, 934578, 1085184, 1107648, 1207644, 1220832, 1246104, 1476864, 1610192, 1627776, 1661472, 1811466, 1831248, 1869156, 2215296, 2415288, 2441664, 2492208, 2717199, 3220384, 3255552, 3322944, 3622932, 3662496, 3738312, 4430592, 4830576, 4883328, 4984416, 5434398, 6440768, 6645888, 7245864, 7324992, 7476624, 8151597, 9661152, 9766656, 9968832, 10868796, 12881536, 13291776, 14491728, 14649984, 14953248, 16303194, 19322304, 19937664, 21737592, 24454791, 25763072, 28983456, 29299968, 29906496, 32606388, 38644608, 39875328, 43475184, 48909582, 57966912, 59812992, 65212776, 73364373, 77289216, 86950368, 97819164, 115933824, 119625984, 130425552, 146728746, 173900736, 195638328, 231867648, 260851104, 293457492, 347801472, 391276656, 521702208, 586914984, 695602944, 782553312, 1043404416, 1173829968, 1565106624, 2086808832, 2347659936, 3130213248, 4695319872, 6260426496, 9390639744, 18781279488]

約数ペア:

[(1, 18781279488), (2, 9390639744), (3, 6260426496), (4, 4695319872), (6, 3130213248), (8, 2347659936), (9, 2086808832), (12, 1565106624), (16, 1173829968), (18, 1043404416), (24, 782553312), (27, 695602944), (32, 586914984), (36, 521702208), (48, 391276656), (54, 347801472), (64, 293457492), (72, 260851104), (81, 231867648), (96, 195638328), (108, 173900736), (128, 146728746), (144, 130425552), (157, 119625984), (162, 115933824), (192, 97819164), (216, 86950368), (243, 77289216), (256, 73364373), (288, 65212776), (314, 59812992), (324, 57966912), (384, 48909582), (432, 43475184), (471, 39875328), (486, 38644608), (576, 32606388), (628, 29906496), (641, 29299968), (648, 28983456), (729, 25763072), (768, 24454791), (864, 21737592), (942, 19937664), (972, 19322304), (1152, 16303194), (1256, 14953248), (1282, 14649984), (1296, 14491728), (1413, 13291776), (1458, 12881536), (1728, 10868796), (1884, 9968832), (1923, 9766656), (1944, 9661152), (2304, 8151597), (2512, 7476624), (2564, 7324992), (2592, 7245864), (2826, 6645888), (2916, 6440768), (3456, 5434398), (3768, 4984416), (3846, 4883328), (3888, 4830576), (4239, 4430592), (5024, 3738312), (5128, 3662496), (5184, 3622932), (5652, 3322944), (5769, 3255552), (5832, 3220384), (6912, 2717199), (7536, 2492208), (7692, 2441664), (7776, 2415288), (8478, 2215296), (10048, 1869156), (10256, 1831248), (10368, 1811466), (11304, 1661472), (11538, 1627776), (11664, 1610192), (12717, 1476864), (15072, 1246104), (15384, 1220832), (15552, 1207644), (16956, 1107648), (17307, 1085184), (20096, 934578), (20512, 915624), (20736, 905733), (22608, 830736), (23076, 813888), (23328, 805096), (25434, 738432), (30144, 623052), (30768, 610416), (31104, 603822), (33912, 553824), (34614, 542592), (38151, 492288), (40192, 467289), (41024, 457812), (45216, 415368), (46152, 406944), (46656, 402548), (50868, 369216), (51921, 361728), (60288, 311526), (61536, 305208), (62208, 301911), (67824, 276912), (69228, 271296), (76302, 246144), (82048, 228906), (90432, 207684), (92304, 203472), (93312, 201274), (100637, 186624), (101736, 184608), (103842, 180864), (114453, 164096), (120576, 155763), (123072, 152604), (135648, 138456)]