19393920

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 384

約数和(自身を含む): 84651840

約数和(自身を除く): 65257920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 37, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 74, 78, 80, 84, 90, 91, 96, 104, 105, 111, 112, 117, 120, 126, 128, 130, 140, 144, 148, 156, 160, 168, 180, 182, 185, 192, 195, 208, 210, 222, 224, 234, 240, 252, 259, 260, 273, 280, 288, 296, 312, 315, 320, 333, 336, 360, 364, 370, 384, 390, 416, 420, 444, 448, 455, 468, 480, 481, 504, 518, 520, 546, 555, 560, 576, 585, 592, 624, 630, 640, 666, 672, 720, 728, 740, 777, 780, 819, 832, 840, 888, 896, 910, 936, 960, 962, 1008, 1036, 1040, 1092, 1110, 1120, 1152, 1170, 1184, 1248, 1260, 1295, 1332, 1344, 1365, 1440, 1443, 1456, 1480, 1554, 1560, 1638, 1664, 1665, 1680, 1776, 1820, 1872, 1920, 1924, 2016, 2072, 2080, 2184, 2220, 2240, 2331, 2340, 2368, 2405, 2496, 2520, 2590, 2664, 2688, 2730, 2880, 2886, 2912, 2960, 3108, 3120, 3276, 3330, 3360, 3367, 3552, 3640, 3744, 3848, 3885, 4032, 4095, 4144, 4160, 4329, 4368, 4440, 4480, 4662, 4680, 4736, 4810, 4992, 5040, 5180, 5328, 5460, 5760, 5772, 5824, 5920, 6216, 6240, 6552, 6660, 6720, 6734, 7104, 7215, 7280, 7488, 7696, 7770, 8064, 8190, 8288, 8320, 8658, 8736, 8880, 9324, 9360, 9620, 10080, 10101, 10360, 10656, 10920, 11544, 11648, 11655, 11840, 12432, 12480, 13104, 13320, 13440, 13468, 14208, 14430, 14560, 14976, 15392, 15540, 16380, 16576, 16835, 17316, 17472, 17760, 18648, 18720, 19240, 20160, 20202, 20720, 21312, 21645, 21840, 23088, 23310, 23680, 24864, 24960, 26208, 26640, 26936, 28860, 29120, 30303, 30784, 31080, 32760, 33152, 33670, 34632, 34944, 35520, 37296, 37440, 38480, 40320, 40404, 41440, 42624, 43290, 43680, 46176, 46620, 49728, 50505, 52416, 53280, 53872, 57720, 58240, 60606, 61568, 62160, 65520, 67340, 69264, 71040, 74592, 74880, 76960, 80808, 82880, 86580, 87360, 92352, 93240, 99456, 101010, 104832, 106560, 107744, 115440, 121212, 124320, 131040, 134680, 138528, 149184, 151515, 153920, 161616, 165760, 173160, 174720, 184704, 186480, 202020, 213120, 215488, 230880, 242424, 248640, 262080, 269360, 277056, 298368, 303030, 307840, 323232, 346320, 372960, 404040, 430976, 461760, 484848, 497280, 524160, 538720, 554112, 606060, 646464, 692640, 745920, 808080, 923520, 969696, 1077440, 1212120, 1292928, 1385280, 1491840, 1616160, 1939392, 2154880, 2424240, 2770560, 3232320, 3878784, 4848480, 6464640, 9696960, 19393920]

約数ペア:

[(1, 19393920), (2, 9696960), (3, 6464640), (4, 4848480), (5, 3878784), (6, 3232320), (7, 2770560), (8, 2424240), (9, 2154880), (10, 1939392), (12, 1616160), (13, 1491840), (14, 1385280), (15, 1292928), (16, 1212120), (18, 1077440), (20, 969696), (21, 923520), (24, 808080), (26, 745920), (28, 692640), (30, 646464), (32, 606060), (35, 554112), (36, 538720), (37, 524160), (39, 497280), (40, 484848), (42, 461760), (45, 430976), (48, 404040), (52, 372960), (56, 346320), (60, 323232), (63, 307840), (64, 303030), (65, 298368), (70, 277056), (72, 269360), (74, 262080), (78, 248640), (80, 242424), (84, 230880), (90, 215488), (91, 213120), (96, 202020), (104, 186480), (105, 184704), (111, 174720), (112, 173160), (117, 165760), (120, 161616), (126, 153920), (128, 151515), (130, 149184), (140, 138528), (144, 134680), (148, 131040), (156, 124320), (160, 121212), (168, 115440), (180, 107744), (182, 106560), (185, 104832), (192, 101010), (195, 99456), (208, 93240), (210, 92352), (222, 87360), (224, 86580), (234, 82880), (240, 80808), (252, 76960), (259, 74880), (260, 74592), (273, 71040), (280, 69264), (288, 67340), (296, 65520), (312, 62160), (315, 61568), (320, 60606), (333, 58240), (336, 57720), (360, 53872), (364, 53280), (370, 52416), (384, 50505), (390, 49728), (416, 46620), (420, 46176), (444, 43680), (448, 43290), (455, 42624), (468, 41440), (480, 40404), (481, 40320), (504, 38480), (518, 37440), (520, 37296), (546, 35520), (555, 34944), (560, 34632), (576, 33670), (585, 33152), (592, 32760), (624, 31080), (630, 30784), (640, 30303), (666, 29120), (672, 28860), (720, 26936), (728, 26640), (740, 26208), (777, 24960), (780, 24864), (819, 23680), (832, 23310), (840, 23088), (888, 21840), (896, 21645), (910, 21312), (936, 20720), (960, 20202), (962, 20160), (1008, 19240), (1036, 18720), (1040, 18648), (1092, 17760), (1110, 17472), (1120, 17316), (1152, 16835), (1170, 16576), (1184, 16380), (1248, 15540), (1260, 15392), (1295, 14976), (1332, 14560), (1344, 14430), (1365, 14208), (1440, 13468), (1443, 13440), (1456, 13320), (1480, 13104), (1554, 12480), (1560, 12432), (1638, 11840), (1664, 11655), (1665, 11648), (1680, 11544), (1776, 10920), (1820, 10656), (1872, 10360), (1920, 10101), (1924, 10080), (2016, 9620), (2072, 9360), (2080, 9324), (2184, 8880), (2220, 8736), (2240, 8658), (2331, 8320), (2340, 8288), (2368, 8190), (2405, 8064), (2496, 7770), (2520, 7696), (2590, 7488), (2664, 7280), (2688, 7215), (2730, 7104), (2880, 6734), (2886, 6720), (2912, 6660), (2960, 6552), (3108, 6240), (3120, 6216), (3276, 5920), (3330, 5824), (3360, 5772), (3367, 5760), (3552, 5460), (3640, 5328), (3744, 5180), (3848, 5040), (3885, 4992), (4032, 4810), (4095, 4736), (4144, 4680), (4160, 4662), (4329, 4480), (4368, 4440)]