19991186208

素因数分解:

$2^5\times 3^6\times 7^2\times {\mathrm{17489}}^1$

素因数の和:17531

約数の個数: 252

約数和(自身を含む): 68647602870

約数和(自身を除く): 48656416662

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 224, 243, 252, 288, 294, 324, 336, 378, 392, 432, 441, 486, 504, 567, 588, 648, 672, 729, 756, 784, 864, 882, 972, 1008, 1134, 1176, 1296, 1323, 1458, 1512, 1568, 1701, 1764, 1944, 2016, 2268, 2352, 2592, 2646, 2916, 3024, 3402, 3528, 3888, 3969, 4536, 4704, 5103, 5292, 5832, 6048, 6804, 7056, 7776, 7938, 9072, 10206, 10584, 11664, 11907, 13608, 14112, 15876, 17489, 18144, 20412, 21168, 23328, 23814, 27216, 31752, 34978, 35721, 40824, 42336, 47628, 52467, 54432, 63504, 69956, 71442, 81648, 95256, 104934, 122423, 127008, 139912, 142884, 157401, 163296, 190512, 209868, 244846, 279824, 285768, 314802, 367269, 381024, 419736, 472203, 489692, 559648, 571536, 629604, 734538, 839472, 856961, 944406, 979384, 1101807, 1143072, 1259208, 1416609, 1469076, 1678944, 1713922, 1888812, 1958768, 2203614, 2518416, 2570883, 2833218, 2938152, 3305421, 3427844, 3777624, 3917536, 4249827, 4407228, 5036832, 5141766, 5666436, 5876304, 6610842, 6855688, 7555248, 7712649, 8499654, 8814456, 9916263, 10283532, 11332872, 11752608, 12749481, 13221684, 13711376, 15110496, 15425298, 16999308, 17628912, 19832526, 20567064, 22665744, 23137947, 25498962, 26443368, 27422752, 29748789, 30850596, 33998616, 35257824, 39665052, 41134128, 45331488, 46275894, 50997924, 52886736, 59497578, 61701192, 67997232, 69413841, 79330104, 82268256, 89246367, 92551788, 101995848, 105773472, 118995156, 123402384, 135994464, 138827682, 158660208, 178492734, 185103576, 203991696, 208241523, 237990312, 246804768, 277655364, 317320416, 356985468, 370207152, 407983392, 416483046, 475980624, 555310728, 624724569, 713970936, 740414304, 832966092, 951961248, 1110621456, 1249449138, 1427941872, 1665932184, 2221242912, 2498898276, 2855883744, 3331864368, 4997796552, 6663728736, 9995593104, 19991186208]

約数ペア:

[(1, 19991186208), (2, 9995593104), (3, 6663728736), (4, 4997796552), (6, 3331864368), (7, 2855883744), (8, 2498898276), (9, 2221242912), (12, 1665932184), (14, 1427941872), (16, 1249449138), (18, 1110621456), (21, 951961248), (24, 832966092), (27, 740414304), (28, 713970936), (32, 624724569), (36, 555310728), (42, 475980624), (48, 416483046), (49, 407983392), (54, 370207152), (56, 356985468), (63, 317320416), (72, 277655364), (81, 246804768), (84, 237990312), (96, 208241523), (98, 203991696), (108, 185103576), (112, 178492734), (126, 158660208), (144, 138827682), (147, 135994464), (162, 123402384), (168, 118995156), (189, 105773472), (196, 101995848), (216, 92551788), (224, 89246367), (243, 82268256), (252, 79330104), (288, 69413841), (294, 67997232), (324, 61701192), (336, 59497578), (378, 52886736), (392, 50997924), (432, 46275894), (441, 45331488), (486, 41134128), (504, 39665052), (567, 35257824), (588, 33998616), (648, 30850596), (672, 29748789), (729, 27422752), (756, 26443368), (784, 25498962), (864, 23137947), (882, 22665744), (972, 20567064), (1008, 19832526), (1134, 17628912), (1176, 16999308), (1296, 15425298), (1323, 15110496), (1458, 13711376), (1512, 13221684), (1568, 12749481), (1701, 11752608), (1764, 11332872), (1944, 10283532), (2016, 9916263), (2268, 8814456), (2352, 8499654), (2592, 7712649), (2646, 7555248), (2916, 6855688), (3024, 6610842), (3402, 5876304), (3528, 5666436), (3888, 5141766), (3969, 5036832), (4536, 4407228), (4704, 4249827), (5103, 3917536), (5292, 3777624), (5832, 3427844), (6048, 3305421), (6804, 2938152), (7056, 2833218), (7776, 2570883), (7938, 2518416), (9072, 2203614), (10206, 1958768), (10584, 1888812), (11664, 1713922), (11907, 1678944), (13608, 1469076), (14112, 1416609), (15876, 1259208), (17489, 1143072), (18144, 1101807), (20412, 979384), (21168, 944406), (23328, 856961), (23814, 839472), (27216, 734538), (31752, 629604), (34978, 571536), (35721, 559648), (40824, 489692), (42336, 472203), (47628, 419736), (52467, 381024), (54432, 367269), (63504, 314802), (69956, 285768), (71442, 279824), (81648, 244846), (95256, 209868), (104934, 190512), (122423, 163296), (127008, 157401), (139912, 142884)]