19940057984

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{457}}^1$

素因数の和:741

約数の個数: 256

約数和(自身を含む): 52471411200

約数和(自身を除く): 32531353216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 128, 133, 152, 154, 176, 209, 224, 233, 266, 304, 308, 352, 418, 448, 457, 466, 532, 608, 616, 704, 836, 896, 914, 932, 1064, 1216, 1232, 1408, 1463, 1631, 1672, 1828, 1864, 2128, 2432, 2464, 2563, 2926, 3199, 3262, 3344, 3656, 3728, 4256, 4427, 4928, 5027, 5126, 5852, 6398, 6524, 6688, 7312, 7456, 8512, 8683, 8854, 9856, 10054, 10252, 11704, 12796, 13048, 13376, 14624, 14912, 17024, 17366, 17708, 17941, 20108, 20504, 23408, 25592, 26096, 26752, 29248, 29824, 30989, 34732, 35189, 35416, 35882, 40216, 41008, 46816, 48697, 51184, 52192, 58496, 60781, 61978, 69464, 70378, 70832, 71764, 80432, 82016, 93632, 95513, 97394, 102368, 104384, 106481, 121562, 123956, 138928, 140756, 141664, 143528, 160864, 164032, 187264, 191026, 194788, 204736, 208768, 212962, 243124, 247912, 277856, 281512, 283328, 287056, 321728, 328064, 340879, 382052, 389576, 409472, 425924, 486248, 495824, 555712, 563024, 566656, 574112, 643456, 668591, 681758, 745367, 764104, 779152, 851848, 972496, 991648, 1111424, 1126048, 1148224, 1171291, 1337182, 1363516, 1490734, 1528208, 1558304, 1703696, 1944992, 1983296, 2023139, 2252096, 2296448, 2342582, 2674364, 2727032, 2981468, 3056416, 3116608, 3407392, 3889984, 3966592, 4046278, 4504192, 4685164, 5348728, 5454064, 5962936, 6112832, 6233216, 6814784, 7779968, 8092556, 8199037, 9370328, 10697456, 10908128, 11925872, 12225664, 13629568, 14161973, 16185112, 16398074, 18740656, 21394912, 21816256, 22254529, 23851744, 28323946, 32370224, 32796148, 37481312, 42789824, 43632512, 44509058, 47703488, 56647892, 64740448, 65592296, 74962624, 85579648, 89018116, 95406976, 113295784, 129480896, 131184592, 149925248, 155781703, 178036232, 226591568, 258961792, 262369184, 311563406, 356072464, 453183136, 524738368, 623126812, 712144928, 906366272, 1049476736, 1246253624, 1424289856, 1812732544, 2492507248, 2848579712, 4985014496, 9970028992, 19940057984]

約数ペア:

[(1, 19940057984), (2, 9970028992), (4, 4985014496), (7, 2848579712), (8, 2492507248), (11, 1812732544), (14, 1424289856), (16, 1246253624), (19, 1049476736), (22, 906366272), (28, 712144928), (32, 623126812), (38, 524738368), (44, 453183136), (56, 356072464), (64, 311563406), (76, 262369184), (77, 258961792), (88, 226591568), (112, 178036232), (128, 155781703), (133, 149925248), (152, 131184592), (154, 129480896), (176, 113295784), (209, 95406976), (224, 89018116), (233, 85579648), (266, 74962624), (304, 65592296), (308, 64740448), (352, 56647892), (418, 47703488), (448, 44509058), (457, 43632512), (466, 42789824), (532, 37481312), (608, 32796148), (616, 32370224), (704, 28323946), (836, 23851744), (896, 22254529), (914, 21816256), (932, 21394912), (1064, 18740656), (1216, 16398074), (1232, 16185112), (1408, 14161973), (1463, 13629568), (1631, 12225664), (1672, 11925872), (1828, 10908128), (1864, 10697456), (2128, 9370328), (2432, 8199037), (2464, 8092556), (2563, 7779968), (2926, 6814784), (3199, 6233216), (3262, 6112832), (3344, 5962936), (3656, 5454064), (3728, 5348728), (4256, 4685164), (4427, 4504192), (4928, 4046278), (5027, 3966592), (5126, 3889984), (5852, 3407392), (6398, 3116608), (6524, 3056416), (6688, 2981468), (7312, 2727032), (7456, 2674364), (8512, 2342582), (8683, 2296448), (8854, 2252096), (9856, 2023139), (10054, 1983296), (10252, 1944992), (11704, 1703696), (12796, 1558304), (13048, 1528208), (13376, 1490734), (14624, 1363516), (14912, 1337182), (17024, 1171291), (17366, 1148224), (17708, 1126048), (17941, 1111424), (20108, 991648), (20504, 972496), (23408, 851848), (25592, 779152), (26096, 764104), (26752, 745367), (29248, 681758), (29824, 668591), (30989, 643456), (34732, 574112), (35189, 566656), (35416, 563024), (35882, 555712), (40216, 495824), (41008, 486248), (46816, 425924), (48697, 409472), (51184, 389576), (52192, 382052), (58496, 340879), (60781, 328064), (61978, 321728), (69464, 287056), (70378, 283328), (70832, 281512), (71764, 277856), (80432, 247912), (82016, 243124), (93632, 212962), (95513, 208768), (97394, 204736), (102368, 194788), (104384, 191026), (106481, 187264), (121562, 164032), (123956, 160864), (138928, 143528), (140756, 141664)]