19721601536

素因数分解:

$2^9\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1$

素因数の和:3619

約数の個数: 240

約数和(自身を含む): 52282575576

約数和(自身を除く): 32560974040

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 49, 52, 56, 64, 68, 91, 98, 104, 112, 119, 128, 136, 182, 196, 208, 221, 224, 238, 256, 272, 364, 392, 416, 442, 448, 476, 512, 544, 637, 728, 784, 832, 833, 884, 896, 952, 1088, 1274, 1456, 1547, 1568, 1664, 1666, 1768, 1792, 1904, 2176, 2548, 2912, 3094, 3136, 3328, 3332, 3536, 3557, 3584, 3808, 4352, 5096, 5824, 6188, 6272, 6656, 6664, 7072, 7114, 7616, 8704, 10192, 10829, 11648, 12376, 12544, 13328, 14144, 14228, 15232, 20384, 21658, 23296, 24752, 24899, 25088, 26656, 28288, 28456, 30464, 40768, 43316, 46241, 46592, 49504, 49798, 53312, 56576, 56912, 60469, 60928, 81536, 86632, 92482, 99008, 99596, 106624, 113152, 113824, 120938, 163072, 173264, 174293, 184964, 198016, 199192, 213248, 227648, 241876, 323687, 326144, 346528, 348586, 369928, 396032, 398384, 423283, 426496, 455296, 483752, 647374, 693056, 697172, 739856, 786097, 792064, 796768, 846566, 910592, 967504, 1294748, 1386112, 1394344, 1479712, 1572194, 1593536, 1693132, 1821184, 1935008, 2265809, 2589496, 2772224, 2788688, 2959424, 2962981, 3144388, 3187072, 3386264, 3870016, 4531618, 5178992, 5502679, 5544448, 5577376, 5918848, 5925962, 6288776, 6374144, 6772528, 7740032, 9063236, 10357984, 11005358, 11154752, 11837696, 11851924, 12577552, 12748288, 13545056, 15480064, 18126472, 20715968, 22010716, 22309504, 23675392, 23703848, 25155104, 27090112, 30960128, 36252944, 38518753, 41431936, 44021432, 44619008, 47407696, 50310208, 54180224, 72505888, 77037506, 82863872, 88042864, 89238016, 94815392, 100620416, 108360448, 145011776, 154075012, 165727744, 176085728, 189630784, 201240832, 216720896, 290023552, 308150024, 352171456, 379261568, 402481664, 580047104, 616300048, 704342912, 758523136, 1160094208, 1232600096, 1408685824, 1517046272, 2465200192, 2817371648, 4930400384, 9860800768, 19721601536]

約数ペア:

[(1, 19721601536), (2, 9860800768), (4, 4930400384), (7, 2817371648), (8, 2465200192), (13, 1517046272), (14, 1408685824), (16, 1232600096), (17, 1160094208), (26, 758523136), (28, 704342912), (32, 616300048), (34, 580047104), (49, 402481664), (52, 379261568), (56, 352171456), (64, 308150024), (68, 290023552), (91, 216720896), (98, 201240832), (104, 189630784), (112, 176085728), (119, 165727744), (128, 154075012), (136, 145011776), (182, 108360448), (196, 100620416), (208, 94815392), (221, 89238016), (224, 88042864), (238, 82863872), (256, 77037506), (272, 72505888), (364, 54180224), (392, 50310208), (416, 47407696), (442, 44619008), (448, 44021432), (476, 41431936), (512, 38518753), (544, 36252944), (637, 30960128), (728, 27090112), (784, 25155104), (832, 23703848), (833, 23675392), (884, 22309504), (896, 22010716), (952, 20715968), (1088, 18126472), (1274, 15480064), (1456, 13545056), (1547, 12748288), (1568, 12577552), (1664, 11851924), (1666, 11837696), (1768, 11154752), (1792, 11005358), (1904, 10357984), (2176, 9063236), (2548, 7740032), (2912, 6772528), (3094, 6374144), (3136, 6288776), (3328, 5925962), (3332, 5918848), (3536, 5577376), (3557, 5544448), (3584, 5502679), (3808, 5178992), (4352, 4531618), (5096, 3870016), (5824, 3386264), (6188, 3187072), (6272, 3144388), (6656, 2962981), (6664, 2959424), (7072, 2788688), (7114, 2772224), (7616, 2589496), (8704, 2265809), (10192, 1935008), (10829, 1821184), (11648, 1693132), (12376, 1593536), (12544, 1572194), (13328, 1479712), (14144, 1394344), (14228, 1386112), (15232, 1294748), (20384, 967504), (21658, 910592), (23296, 846566), (24752, 796768), (24899, 792064), (25088, 786097), (26656, 739856), (28288, 697172), (28456, 693056), (30464, 647374), (40768, 483752), (43316, 455296), (46241, 426496), (46592, 423283), (49504, 398384), (49798, 396032), (53312, 369928), (56576, 348586), (56912, 346528), (60469, 326144), (60928, 323687), (81536, 241876), (86632, 227648), (92482, 213248), (99008, 199192), (99596, 198016), (106624, 184964), (113152, 174293), (113824, 173264), (120938, 163072)]