18978743232

素因数分解:

$2^6\times 3^5\times {\mathrm{73}}^2\times {\mathrm{229}}^1$

素因数の和:402

約数の個数: 252

約数和(自身を含む): 57447073320

約数和(自身を除く): 38468330088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 73, 81, 96, 108, 144, 146, 162, 192, 216, 219, 229, 243, 288, 292, 324, 432, 438, 458, 486, 576, 584, 648, 657, 687, 864, 876, 916, 972, 1168, 1296, 1314, 1374, 1728, 1752, 1832, 1944, 1971, 2061, 2336, 2592, 2628, 2748, 3504, 3664, 3888, 3942, 4122, 4672, 5184, 5256, 5329, 5496, 5913, 6183, 7008, 7328, 7776, 7884, 8244, 10512, 10658, 10992, 11826, 12366, 14016, 14656, 15552, 15768, 15987, 16488, 16717, 17739, 18549, 21024, 21316, 21984, 23652, 24732, 31536, 31974, 32976, 33434, 35478, 37098, 42048, 42632, 43968, 47304, 47961, 49464, 50151, 55647, 63072, 63948, 65952, 66868, 70956, 74196, 85264, 94608, 95922, 98928, 100302, 111294, 126144, 127896, 131904, 133736, 141912, 143883, 148392, 150453, 170528, 189216, 191844, 197856, 200604, 222588, 255792, 267472, 283824, 287766, 296784, 300906, 341056, 378432, 383688, 395712, 401208, 431649, 445176, 451359, 511584, 534944, 567648, 575532, 593568, 601812, 767376, 802416, 863298, 890352, 902718, 1023168, 1069888, 1135296, 1151064, 1187136, 1203624, 1220341, 1294947, 1354077, 1534752, 1604832, 1726596, 1780704, 1805436, 2302128, 2407248, 2440682, 2589894, 2708154, 3069504, 3209664, 3453192, 3561408, 3610872, 3661023, 4062231, 4604256, 4814496, 4881364, 5179788, 5416308, 6906384, 7221744, 7322046, 8124462, 9208512, 9628992, 9762728, 10359576, 10832616, 10983069, 13812768, 14443488, 14644092, 16248924, 19525456, 20719152, 21665232, 21966138, 27625536, 28886976, 29288184, 32497848, 32949207, 39050912, 41438304, 43330464, 43932276, 58576368, 64995696, 65898414, 78101824, 82876608, 86660928, 87864552, 98847621, 117152736, 129991392, 131796828, 175729104, 197695242, 234305472, 259982784, 263593656, 296542863, 351458208, 395390484, 527187312, 593085726, 702916416, 790780968, 1054374624, 1186171452, 1581561936, 2108749248, 2372342904, 3163123872, 4744685808, 6326247744, 9489371616, 18978743232]

約数ペア:

[(1, 18978743232), (2, 9489371616), (3, 6326247744), (4, 4744685808), (6, 3163123872), (8, 2372342904), (9, 2108749248), (12, 1581561936), (16, 1186171452), (18, 1054374624), (24, 790780968), (27, 702916416), (32, 593085726), (36, 527187312), (48, 395390484), (54, 351458208), (64, 296542863), (72, 263593656), (73, 259982784), (81, 234305472), (96, 197695242), (108, 175729104), (144, 131796828), (146, 129991392), (162, 117152736), (192, 98847621), (216, 87864552), (219, 86660928), (229, 82876608), (243, 78101824), (288, 65898414), (292, 64995696), (324, 58576368), (432, 43932276), (438, 43330464), (458, 41438304), (486, 39050912), (576, 32949207), (584, 32497848), (648, 29288184), (657, 28886976), (687, 27625536), (864, 21966138), (876, 21665232), (916, 20719152), (972, 19525456), (1168, 16248924), (1296, 14644092), (1314, 14443488), (1374, 13812768), (1728, 10983069), (1752, 10832616), (1832, 10359576), (1944, 9762728), (1971, 9628992), (2061, 9208512), (2336, 8124462), (2592, 7322046), (2628, 7221744), (2748, 6906384), (3504, 5416308), (3664, 5179788), (3888, 4881364), (3942, 4814496), (4122, 4604256), (4672, 4062231), (5184, 3661023), (5256, 3610872), (5329, 3561408), (5496, 3453192), (5913, 3209664), (6183, 3069504), (7008, 2708154), (7328, 2589894), (7776, 2440682), (7884, 2407248), (8244, 2302128), (10512, 1805436), (10658, 1780704), (10992, 1726596), (11826, 1604832), (12366, 1534752), (14016, 1354077), (14656, 1294947), (15552, 1220341), (15768, 1203624), (15987, 1187136), (16488, 1151064), (16717, 1135296), (17739, 1069888), (18549, 1023168), (21024, 902718), (21316, 890352), (21984, 863298), (23652, 802416), (24732, 767376), (31536, 601812), (31974, 593568), (32976, 575532), (33434, 567648), (35478, 534944), (37098, 511584), (42048, 451359), (42632, 445176), (43968, 431649), (47304, 401208), (47961, 395712), (49464, 383688), (50151, 378432), (55647, 341056), (63072, 300906), (63948, 296784), (65952, 287766), (66868, 283824), (70956, 267472), (74196, 255792), (85264, 222588), (94608, 200604), (95922, 197856), (98928, 191844), (100302, 189216), (111294, 170528), (126144, 150453), (127896, 148392), (131904, 143883), (133736, 141912)]