19981271808

素因数分解:

$2^8\times 3^7\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:527

約数の個数: 288

約数和(自身を含む): 60640574400

約数和(自身を除く): 40659302592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 89, 96, 108, 128, 144, 162, 178, 192, 216, 243, 256, 267, 288, 324, 356, 384, 401, 432, 486, 534, 576, 648, 712, 729, 768, 801, 802, 864, 972, 1068, 1152, 1203, 1296, 1424, 1458, 1602, 1604, 1728, 1944, 2136, 2187, 2304, 2403, 2406, 2592, 2848, 2916, 3204, 3208, 3456, 3609, 3888, 4272, 4374, 4806, 4812, 5184, 5696, 5832, 6408, 6416, 6912, 7209, 7218, 7776, 8544, 8748, 9612, 9624, 10368, 10827, 11392, 11664, 12816, 12832, 14418, 14436, 15552, 17088, 17496, 19224, 19248, 20736, 21627, 21654, 22784, 23328, 25632, 25664, 28836, 28872, 31104, 32481, 34176, 34992, 35689, 38448, 38496, 43254, 43308, 46656, 51264, 51328, 57672, 57744, 62208, 64881, 64962, 68352, 69984, 71378, 76896, 76992, 86508, 86616, 93312, 97443, 102528, 102656, 107067, 115344, 115488, 129762, 129924, 139968, 142756, 153792, 153984, 173016, 173232, 186624, 194643, 194886, 205056, 214134, 230688, 230976, 259524, 259848, 279936, 285512, 292329, 307584, 307968, 321201, 346032, 346464, 389286, 389772, 428268, 461376, 461952, 519048, 519696, 559872, 571024, 584658, 615168, 642402, 692064, 692928, 778572, 779544, 856536, 876987, 922752, 923904, 963603, 1038096, 1039392, 1142048, 1169316, 1284804, 1384128, 1385856, 1557144, 1559088, 1713072, 1753974, 1845504, 1927206, 2076192, 2078784, 2284096, 2338632, 2569608, 2768256, 2771712, 2890809, 3114288, 3118176, 3426144, 3507948, 3854412, 4152384, 4157568, 4568192, 4677264, 5139216, 5536512, 5781618, 6228576, 6236352, 6852288, 7015896, 7708824, 8304768, 8315136, 8672427, 9136384, 9354528, 10278432, 11563236, 12457152, 12472704, 13704576, 14031792, 15417648, 16609536, 17344854, 18709056, 20556864, 23126472, 24914304, 24945408, 26017281, 27409152, 28063584, 30835296, 34689708, 37418112, 41113728, 46252944, 49828608, 52034562, 56127168, 61670592, 69379416, 74836224, 78051843, 82227456, 92505888, 104069124, 112254336, 123341184, 138758832, 156103686, 185011776, 208138248, 224508672, 246682368, 277517664, 312207372, 370023552, 416276496, 555035328, 624414744, 740047104, 832552992, 1110070656, 1248829488, 1665105984, 2220141312, 2497658976, 3330211968, 4995317952, 6660423936, 9990635904, 19981271808]

約数ペア:

[(1, 19981271808), (2, 9990635904), (3, 6660423936), (4, 4995317952), (6, 3330211968), (8, 2497658976), (9, 2220141312), (12, 1665105984), (16, 1248829488), (18, 1110070656), (24, 832552992), (27, 740047104), (32, 624414744), (36, 555035328), (48, 416276496), (54, 370023552), (64, 312207372), (72, 277517664), (81, 246682368), (89, 224508672), (96, 208138248), (108, 185011776), (128, 156103686), (144, 138758832), (162, 123341184), (178, 112254336), (192, 104069124), (216, 92505888), (243, 82227456), (256, 78051843), (267, 74836224), (288, 69379416), (324, 61670592), (356, 56127168), (384, 52034562), (401, 49828608), (432, 46252944), (486, 41113728), (534, 37418112), (576, 34689708), (648, 30835296), (712, 28063584), (729, 27409152), (768, 26017281), (801, 24945408), (802, 24914304), (864, 23126472), (972, 20556864), (1068, 18709056), (1152, 17344854), (1203, 16609536), (1296, 15417648), (1424, 14031792), (1458, 13704576), (1602, 12472704), (1604, 12457152), (1728, 11563236), (1944, 10278432), (2136, 9354528), (2187, 9136384), (2304, 8672427), (2403, 8315136), (2406, 8304768), (2592, 7708824), (2848, 7015896), (2916, 6852288), (3204, 6236352), (3208, 6228576), (3456, 5781618), (3609, 5536512), (3888, 5139216), (4272, 4677264), (4374, 4568192), (4806, 4157568), (4812, 4152384), (5184, 3854412), (5696, 3507948), (5832, 3426144), (6408, 3118176), (6416, 3114288), (6912, 2890809), (7209, 2771712), (7218, 2768256), (7776, 2569608), (8544, 2338632), (8748, 2284096), (9612, 2078784), (9624, 2076192), (10368, 1927206), (10827, 1845504), (11392, 1753974), (11664, 1713072), (12816, 1559088), (12832, 1557144), (14418, 1385856), (14436, 1384128), (15552, 1284804), (17088, 1169316), (17496, 1142048), (19224, 1039392), (19248, 1038096), (20736, 963603), (21627, 923904), (21654, 922752), (22784, 876987), (23328, 856536), (25632, 779544), (25664, 778572), (28836, 692928), (28872, 692064), (31104, 642402), (32481, 615168), (34176, 584658), (34992, 571024), (35689, 559872), (38448, 519696), (38496, 519048), (43254, 461952), (43308, 461376), (46656, 428268), (51264, 389772), (51328, 389286), (57672, 346464), (57744, 346032), (62208, 321201), (64881, 307968), (64962, 307584), (68352, 292329), (69984, 285512), (71378, 279936), (76896, 259848), (76992, 259524), (86508, 230976), (86616, 230688), (93312, 214134), (97443, 205056), (102528, 194886), (102656, 194643), (107067, 186624), (115344, 173232), (115488, 173016), (129762, 153984), (129924, 153792), (139968, 142756)]