18764993408

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3\times {\mathrm{37}}^1$

素因数の和:170

約数の個数: 256

約数和(自身を含む): 47727513600

約数和(自身を除く): 28962520192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 37, 38, 56, 62, 64, 74, 76, 112, 124, 128, 133, 148, 152, 217, 224, 248, 259, 266, 296, 304, 434, 448, 496, 518, 532, 589, 592, 608, 703, 868, 896, 961, 992, 1036, 1064, 1147, 1178, 1184, 1216, 1406, 1736, 1922, 1984, 2072, 2128, 2294, 2356, 2368, 2432, 2812, 3472, 3844, 3968, 4123, 4144, 4256, 4588, 4712, 4736, 4921, 5624, 6727, 6944, 7688, 8029, 8246, 8288, 8512, 9176, 9424, 9842, 11248, 13454, 13888, 15376, 16058, 16492, 16576, 17024, 18259, 18352, 18848, 19684, 21793, 22496, 26908, 27776, 29791, 30752, 32116, 32984, 33152, 35557, 36518, 36704, 37696, 39368, 43586, 44992, 53816, 59582, 61504, 64232, 65968, 71114, 73036, 73408, 75392, 78736, 87172, 89984, 107632, 119164, 123008, 127813, 128464, 131936, 142228, 146072, 146816, 152551, 157472, 174344, 208537, 215264, 238328, 248899, 255626, 256928, 263872, 284456, 292144, 305102, 314944, 348688, 417074, 430528, 476656, 497798, 511252, 513856, 527744, 566029, 568912, 584288, 610204, 629888, 675583, 697376, 834148, 861056, 953312, 995596, 1022504, 1027712, 1102267, 1132058, 1137824, 1168576, 1220408, 1351166, 1394752, 1668296, 1906624, 1991192, 2045008, 2204534, 2264116, 2275648, 2337152, 2440816, 2702332, 2789504, 3336592, 3813248, 3962203, 3982384, 4090016, 4409068, 4528232, 4551296, 4729081, 4881632, 5404664, 6673184, 7715869, 7924406, 7964768, 8180032, 8818136, 9056464, 9458162, 9763264, 10809328, 13346368, 15431738, 15848812, 15929536, 16360064, 17636272, 18112928, 18916324, 19526528, 20943073, 21618656, 26692736, 30863476, 31697624, 31859072, 35272544, 36225856, 37832648, 41886146, 43237312, 61726952, 63395248, 70545088, 72451712, 75665296, 83772292, 86474624, 123453904, 126790496, 141090176, 146601511, 151330592, 167544584, 246907808, 253580992, 293203022, 302661184, 335089168, 493815616, 507161984, 586406044, 605322368, 670178336, 987631232, 1172812088, 1340356672, 2345624176, 2680713344, 4691248352, 9382496704, 18764993408]

約数ペア:

[(1, 18764993408), (2, 9382496704), (4, 4691248352), (7, 2680713344), (8, 2345624176), (14, 1340356672), (16, 1172812088), (19, 987631232), (28, 670178336), (31, 605322368), (32, 586406044), (37, 507161984), (38, 493815616), (56, 335089168), (62, 302661184), (64, 293203022), (74, 253580992), (76, 246907808), (112, 167544584), (124, 151330592), (128, 146601511), (133, 141090176), (148, 126790496), (152, 123453904), (217, 86474624), (224, 83772292), (248, 75665296), (259, 72451712), (266, 70545088), (296, 63395248), (304, 61726952), (434, 43237312), (448, 41886146), (496, 37832648), (518, 36225856), (532, 35272544), (589, 31859072), (592, 31697624), (608, 30863476), (703, 26692736), (868, 21618656), (896, 20943073), (961, 19526528), (992, 18916324), (1036, 18112928), (1064, 17636272), (1147, 16360064), (1178, 15929536), (1184, 15848812), (1216, 15431738), (1406, 13346368), (1736, 10809328), (1922, 9763264), (1984, 9458162), (2072, 9056464), (2128, 8818136), (2294, 8180032), (2356, 7964768), (2368, 7924406), (2432, 7715869), (2812, 6673184), (3472, 5404664), (3844, 4881632), (3968, 4729081), (4123, 4551296), (4144, 4528232), (4256, 4409068), (4588, 4090016), (4712, 3982384), (4736, 3962203), (4921, 3813248), (5624, 3336592), (6727, 2789504), (6944, 2702332), (7688, 2440816), (8029, 2337152), (8246, 2275648), (8288, 2264116), (8512, 2204534), (9176, 2045008), (9424, 1991192), (9842, 1906624), (11248, 1668296), (13454, 1394752), (13888, 1351166), (15376, 1220408), (16058, 1168576), (16492, 1137824), (16576, 1132058), (17024, 1102267), (18259, 1027712), (18352, 1022504), (18848, 995596), (19684, 953312), (21793, 861056), (22496, 834148), (26908, 697376), (27776, 675583), (29791, 629888), (30752, 610204), (32116, 584288), (32984, 568912), (33152, 566029), (35557, 527744), (36518, 513856), (36704, 511252), (37696, 497798), (39368, 476656), (43586, 430528), (44992, 417074), (53816, 348688), (59582, 314944), (61504, 305102), (64232, 292144), (65968, 284456), (71114, 263872), (73036, 256928), (73408, 255626), (75392, 248899), (78736, 238328), (87172, 215264), (89984, 208537), (107632, 174344), (119164, 157472), (123008, 152551), (127813, 146816), (128464, 146072), (131936, 142228)]