19019520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:167

約数の個数: 216

約数和(自身を含む): 71425536

約数和(自身を除く): 52406016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 127, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 254, 256, 260, 288, 312, 320, 360, 381, 384, 390, 416, 468, 480, 508, 520, 576, 585, 624, 635, 640, 720, 762, 768, 780, 832, 936, 960, 1016, 1040, 1143, 1152, 1170, 1248, 1270, 1280, 1440, 1524, 1560, 1651, 1664, 1872, 1905, 1920, 2032, 2080, 2286, 2304, 2340, 2496, 2540, 2880, 3048, 3120, 3302, 3328, 3744, 3810, 3840, 4064, 4160, 4572, 4680, 4953, 4992, 5080, 5715, 5760, 6096, 6240, 6604, 7488, 7620, 8128, 8255, 8320, 9144, 9360, 9906, 9984, 10160, 11430, 11520, 12192, 12480, 13208, 14859, 14976, 15240, 16256, 16510, 16640, 18288, 18720, 19812, 20320, 22860, 24384, 24765, 24960, 26416, 29718, 29952, 30480, 32512, 33020, 36576, 37440, 39624, 40640, 45720, 48768, 49530, 49920, 52832, 59436, 60960, 66040, 73152, 74295, 74880, 79248, 81280, 91440, 97536, 99060, 105664, 118872, 121920, 132080, 146304, 148590, 149760, 158496, 162560, 182880, 198120, 211328, 237744, 243840, 264160, 292608, 297180, 316992, 365760, 396240, 422656, 475488, 487680, 528320, 594360, 633984, 731520, 792480, 950976, 1056640, 1188720, 1267968, 1463040, 1584960, 1901952, 2113280, 2377440, 3169920, 3803904, 4754880, 6339840, 9509760, 19019520]

約数ペア:

[(1, 19019520), (2, 9509760), (3, 6339840), (4, 4754880), (5, 3803904), (6, 3169920), (8, 2377440), (9, 2113280), (10, 1901952), (12, 1584960), (13, 1463040), (15, 1267968), (16, 1188720), (18, 1056640), (20, 950976), (24, 792480), (26, 731520), (30, 633984), (32, 594360), (36, 528320), (39, 487680), (40, 475488), (45, 422656), (48, 396240), (52, 365760), (60, 316992), (64, 297180), (65, 292608), (72, 264160), (78, 243840), (80, 237744), (90, 211328), (96, 198120), (104, 182880), (117, 162560), (120, 158496), (127, 149760), (128, 148590), (130, 146304), (144, 132080), (156, 121920), (160, 118872), (180, 105664), (192, 99060), (195, 97536), (208, 91440), (234, 81280), (240, 79248), (254, 74880), (256, 74295), (260, 73152), (288, 66040), (312, 60960), (320, 59436), (360, 52832), (381, 49920), (384, 49530), (390, 48768), (416, 45720), (468, 40640), (480, 39624), (508, 37440), (520, 36576), (576, 33020), (585, 32512), (624, 30480), (635, 29952), (640, 29718), (720, 26416), (762, 24960), (768, 24765), (780, 24384), (832, 22860), (936, 20320), (960, 19812), (1016, 18720), (1040, 18288), (1143, 16640), (1152, 16510), (1170, 16256), (1248, 15240), (1270, 14976), (1280, 14859), (1440, 13208), (1524, 12480), (1560, 12192), (1651, 11520), (1664, 11430), (1872, 10160), (1905, 9984), (1920, 9906), (2032, 9360), (2080, 9144), (2286, 8320), (2304, 8255), (2340, 8128), (2496, 7620), (2540, 7488), (2880, 6604), (3048, 6240), (3120, 6096), (3302, 5760), (3328, 5715), (3744, 5080), (3810, 4992), (3840, 4953), (4064, 4680), (4160, 4572)]