19870982144

素因数分解:

$2^{13}\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:546

約数の個数: 168

約数和(自身を含む): 44515625472

約数和(自身を除く): 24644643328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 169, 208, 248, 256, 338, 403, 416, 463, 496, 512, 676, 806, 832, 926, 992, 1024, 1352, 1612, 1664, 1852, 1984, 2048, 2704, 3224, 3328, 3704, 3968, 4096, 5239, 5408, 6019, 6448, 6656, 7408, 7936, 8192, 10478, 10816, 12038, 12896, 13312, 14353, 14816, 15872, 20956, 21632, 24076, 25792, 26624, 28706, 29632, 31744, 41912, 43264, 48152, 51584, 53248, 57412, 59264, 63488, 78247, 83824, 86528, 96304, 103168, 106496, 114824, 118528, 126976, 156494, 167648, 173056, 186589, 192608, 206336, 229648, 237056, 253952, 312988, 335296, 346112, 373178, 385216, 412672, 459296, 474112, 625976, 670592, 692224, 746356, 770432, 825344, 918592, 948224, 1251952, 1341184, 1384448, 1492712, 1540864, 1650688, 1837184, 1896448, 2425657, 2503904, 2682368, 2985424, 3081728, 3301376, 3674368, 3792896, 4851314, 5007808, 5364736, 5970848, 6163456, 7348736, 9702628, 10015616, 10729472, 11941696, 12326912, 14697472, 19405256, 20031232, 21458944, 23883392, 24653824, 29394944, 38810512, 40062464, 42917888, 47766784, 49307648, 58789888, 77621024, 80124928, 95533568, 117579776, 155242048, 160249856, 191067136, 310484096, 320499712, 382134272, 620968192, 640999424, 764268544, 1241936384, 1528537088, 2483872768, 4967745536, 9935491072, 19870982144]

約数ペア:

[(1, 19870982144), (2, 9935491072), (4, 4967745536), (8, 2483872768), (13, 1528537088), (16, 1241936384), (26, 764268544), (31, 640999424), (32, 620968192), (52, 382134272), (62, 320499712), (64, 310484096), (104, 191067136), (124, 160249856), (128, 155242048), (169, 117579776), (208, 95533568), (248, 80124928), (256, 77621024), (338, 58789888), (403, 49307648), (416, 47766784), (463, 42917888), (496, 40062464), (512, 38810512), (676, 29394944), (806, 24653824), (832, 23883392), (926, 21458944), (992, 20031232), (1024, 19405256), (1352, 14697472), (1612, 12326912), (1664, 11941696), (1852, 10729472), (1984, 10015616), (2048, 9702628), (2704, 7348736), (3224, 6163456), (3328, 5970848), (3704, 5364736), (3968, 5007808), (4096, 4851314), (5239, 3792896), (5408, 3674368), (6019, 3301376), (6448, 3081728), (6656, 2985424), (7408, 2682368), (7936, 2503904), (8192, 2425657), (10478, 1896448), (10816, 1837184), (12038, 1650688), (12896, 1540864), (13312, 1492712), (14353, 1384448), (14816, 1341184), (15872, 1251952), (20956, 948224), (21632, 918592), (24076, 825344), (25792, 770432), (26624, 746356), (28706, 692224), (29632, 670592), (31744, 625976), (41912, 474112), (43264, 459296), (48152, 412672), (51584, 385216), (53248, 373178), (57412, 346112), (59264, 335296), (63488, 312988), (78247, 253952), (83824, 237056), (86528, 229648), (96304, 206336), (103168, 192608), (106496, 186589), (114824, 173056), (118528, 167648), (126976, 156494)]