18991170016

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 384

約数和(自身を含む): 52286653440

約数和(自身を除く): 33295483424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 32, 34, 38, 52, 56, 61, 68, 76, 91, 104, 112, 119, 122, 133, 136, 152, 182, 208, 221, 224, 238, 244, 247, 266, 272, 304, 323, 331, 364, 416, 427, 442, 476, 488, 494, 532, 544, 608, 646, 662, 728, 793, 854, 884, 952, 976, 988, 1037, 1064, 1159, 1292, 1324, 1456, 1547, 1586, 1708, 1729, 1768, 1904, 1952, 1976, 2074, 2128, 2261, 2317, 2318, 2584, 2648, 2912, 3094, 3172, 3416, 3458, 3536, 3808, 3952, 4148, 4199, 4256, 4303, 4522, 4634, 4636, 5168, 5296, 5551, 5627, 6188, 6289, 6344, 6832, 6916, 7072, 7259, 7904, 8113, 8296, 8398, 8606, 9044, 9268, 9272, 10336, 10592, 11102, 11254, 12376, 12578, 12688, 13481, 13664, 13832, 14518, 15067, 16226, 16592, 16796, 17212, 18088, 18536, 18544, 19703, 20191, 22204, 22508, 24752, 25156, 25376, 26962, 27664, 29036, 29393, 30121, 30134, 32452, 33184, 33592, 34424, 36176, 37072, 37088, 39389, 39406, 40382, 44023, 44408, 45016, 49504, 50312, 53924, 55328, 58072, 58786, 60242, 60268, 64904, 67184, 68848, 72352, 73151, 74144, 78778, 78812, 80764, 81757, 88046, 88816, 90032, 94367, 100624, 105469, 106913, 107848, 116144, 117572, 120484, 120536, 129808, 134368, 137696, 137921, 141337, 146302, 157556, 157624, 161528, 163514, 176092, 177632, 180064, 188734, 201248, 210938, 213826, 215696, 232288, 235144, 240968, 241072, 256139, 259616, 262483, 275842, 282674, 292604, 315112, 315248, 323056, 327028, 343247, 352184, 377468, 383629, 421876, 427652, 431392, 470288, 481936, 482144, 512057, 512278, 524966, 551684, 565348, 572299, 585208, 630224, 630496, 646112, 654056, 686494, 704368, 748391, 754936, 767258, 843752, 855304, 940576, 963872, 1024114, 1024556, 1049932, 1103368, 1130696, 1144598, 1170416, 1260448, 1308112, 1372988, 1389869, 1408736, 1496782, 1509872, 1534516, 1687504, 1710608, 1792973, 1837381, 2048228, 2049112, 2099864, 2206736, 2261392, 2289196, 2340832, 2402729, 2616224, 2685403, 2745976, 2779738, 2993564, 3019744, 3069032, 3375008, 3421216, 3585946, 3674762, 4096456, 4098224, 4199728, 4413472, 4462211, 4522784, 4578392, 4805458, 4987177, 5370806, 5491952, 5559476, 5987128, 6138064, 6521693, 7171892, 7349524, 8192912, 8196448, 8399456, 8924422, 9156784, 9610916, 9729083, 9974354, 10741612, 10983904, 11118952, 11974256, 12276128, 13043386, 14343784, 14699048, 16385824, 17848844, 18313568, 19221832, 19458166, 19948708, 21483224, 22237904, 23948512, 26086772, 28687568, 29398096, 31235477, 34910239, 35697688, 38443664, 38916332, 39897416, 42966448, 44475808, 45651851, 52173544, 57375136, 58796192, 62470954, 69820478, 71395376, 76887328, 77832664, 79794832, 84782009, 85932896, 91303702, 104347088, 124941908, 139640956, 142790752, 155665328, 159589664, 169564018, 182607404, 208694176, 249883816, 279281912, 311330656, 339128036, 365214808, 499767632, 558563824, 593474063, 678256072, 730429616, 999535264, 1117127648, 1186948126, 1356512144, 1460859232, 2373896252, 2713024288, 4747792504, 9495585008, 18991170016]

約数ペア:

[(1, 18991170016), (2, 9495585008), (4, 4747792504), (7, 2713024288), (8, 2373896252), (13, 1460859232), (14, 1356512144), (16, 1186948126), (17, 1117127648), (19, 999535264), (26, 730429616), (28, 678256072), (32, 593474063), (34, 558563824), (38, 499767632), (52, 365214808), (56, 339128036), (61, 311330656), (68, 279281912), (76, 249883816), (91, 208694176), (104, 182607404), (112, 169564018), (119, 159589664), (122, 155665328), (133, 142790752), (136, 139640956), (152, 124941908), (182, 104347088), (208, 91303702), (221, 85932896), (224, 84782009), (238, 79794832), (244, 77832664), (247, 76887328), (266, 71395376), (272, 69820478), (304, 62470954), (323, 58796192), (331, 57375136), (364, 52173544), (416, 45651851), (427, 44475808), (442, 42966448), (476, 39897416), (488, 38916332), (494, 38443664), (532, 35697688), (544, 34910239), (608, 31235477), (646, 29398096), (662, 28687568), (728, 26086772), (793, 23948512), (854, 22237904), (884, 21483224), (952, 19948708), (976, 19458166), (988, 19221832), (1037, 18313568), (1064, 17848844), (1159, 16385824), (1292, 14699048), (1324, 14343784), (1456, 13043386), (1547, 12276128), (1586, 11974256), (1708, 11118952), (1729, 10983904), (1768, 10741612), (1904, 9974354), (1952, 9729083), (1976, 9610916), (2074, 9156784), (2128, 8924422), (2261, 8399456), (2317, 8196448), (2318, 8192912), (2584, 7349524), (2648, 7171892), (2912, 6521693), (3094, 6138064), (3172, 5987128), (3416, 5559476), (3458, 5491952), (3536, 5370806), (3808, 4987177), (3952, 4805458), (4148, 4578392), (4199, 4522784), (4256, 4462211), (4303, 4413472), (4522, 4199728), (4634, 4098224), (4636, 4096456), (5168, 3674762), (5296, 3585946), (5551, 3421216), (5627, 3375008), (6188, 3069032), (6289, 3019744), (6344, 2993564), (6832, 2779738), (6916, 2745976), (7072, 2685403), (7259, 2616224), (7904, 2402729), (8113, 2340832), (8296, 2289196), (8398, 2261392), (8606, 2206736), (9044, 2099864), (9268, 2049112), (9272, 2048228), (10336, 1837381), (10592, 1792973), (11102, 1710608), (11254, 1687504), (12376, 1534516), (12578, 1509872), (12688, 1496782), (13481, 1408736), (13664, 1389869), (13832, 1372988), (14518, 1308112), (15067, 1260448), (16226, 1170416), (16592, 1144598), (16796, 1130696), (17212, 1103368), (18088, 1049932), (18536, 1024556), (18544, 1024114), (19703, 963872), (20191, 940576), (22204, 855304), (22508, 843752), (24752, 767258), (25156, 754936), (25376, 748391), (26962, 704368), (27664, 686494), (29036, 654056), (29393, 646112), (30121, 630496), (30134, 630224), (32452, 585208), (33184, 572299), (33592, 565348), (34424, 551684), (36176, 524966), (37072, 512278), (37088, 512057), (39389, 482144), (39406, 481936), (40382, 470288), (44023, 431392), (44408, 427652), (45016, 421876), (49504, 383629), (50312, 377468), (53924, 352184), (55328, 343247), (58072, 327028), (58786, 323056), (60242, 315248), (60268, 315112), (64904, 292604), (67184, 282674), (68848, 275842), (72352, 262483), (73151, 259616), (74144, 256139), (78778, 241072), (78812, 240968), (80764, 235144), (81757, 232288), (88046, 215696), (88816, 213826), (90032, 210938), (94367, 201248), (100624, 188734), (105469, 180064), (106913, 177632), (107848, 176092), (116144, 163514), (117572, 161528), (120484, 157624), (120536, 157556), (129808, 146302), (134368, 141337), (137696, 137921)]