19439968128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2753}}^1$

素因数の和:2885

約数の個数: 256

約数和(自身を含む): 61485143040

約数和(自身を除く): 42045174912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 71, 74, 84, 96, 111, 112, 128, 142, 148, 168, 192, 213, 222, 224, 259, 284, 296, 336, 384, 426, 444, 448, 497, 518, 568, 592, 672, 777, 852, 888, 896, 994, 1036, 1136, 1184, 1344, 1491, 1554, 1704, 1776, 1988, 2072, 2272, 2368, 2627, 2688, 2753, 2982, 3108, 3408, 3552, 3976, 4144, 4544, 4736, 5254, 5506, 5964, 6216, 6816, 7104, 7881, 7952, 8259, 8288, 9088, 10508, 11012, 11928, 12432, 13632, 14208, 15762, 15904, 16518, 16576, 18389, 19271, 21016, 22024, 23856, 24864, 27264, 31524, 31808, 33036, 33152, 36778, 38542, 42032, 44048, 47712, 49728, 55167, 57813, 63048, 63616, 66072, 73556, 77084, 84064, 88096, 95424, 99456, 101861, 110334, 115626, 126096, 132144, 147112, 154168, 168128, 176192, 190848, 195463, 203722, 220668, 231252, 252192, 264288, 294224, 305583, 308336, 336256, 352384, 390926, 407444, 441336, 462504, 504384, 528576, 586389, 588448, 611166, 616672, 713027, 781852, 814888, 882672, 925008, 1008768, 1057152, 1172778, 1176896, 1222332, 1233344, 1368241, 1426054, 1563704, 1629776, 1765344, 1850016, 2139081, 2345556, 2353792, 2444664, 2466688, 2736482, 2852108, 3127408, 3259552, 3530688, 3700032, 4104723, 4278162, 4691112, 4889328, 5472964, 5704216, 6254816, 6519104, 7061376, 7232131, 7400064, 8209446, 8556324, 9382224, 9778656, 10945928, 11408432, 12509632, 13038208, 14464262, 16418892, 17112648, 18764448, 19557312, 21696393, 21891856, 22816864, 25019264, 28928524, 32837784, 34225296, 37528896, 39114624, 43392786, 43783712, 45633728, 50624917, 57857048, 65675568, 68450592, 75057792, 86785572, 87567424, 91267456, 101249834, 115714096, 131351136, 136901184, 151874751, 173571144, 175134848, 202499668, 231428192, 262702272, 273802368, 303749502, 347142288, 404999336, 462856384, 525404544, 607499004, 694284576, 809998672, 925712768, 1214998008, 1388569152, 1619997344, 2429996016, 2777138304, 3239994688, 4859992032, 6479989376, 9719984064, 19439968128]

約数ペア:

[(1, 19439968128), (2, 9719984064), (3, 6479989376), (4, 4859992032), (6, 3239994688), (7, 2777138304), (8, 2429996016), (12, 1619997344), (14, 1388569152), (16, 1214998008), (21, 925712768), (24, 809998672), (28, 694284576), (32, 607499004), (37, 525404544), (42, 462856384), (48, 404999336), (56, 347142288), (64, 303749502), (71, 273802368), (74, 262702272), (84, 231428192), (96, 202499668), (111, 175134848), (112, 173571144), (128, 151874751), (142, 136901184), (148, 131351136), (168, 115714096), (192, 101249834), (213, 91267456), (222, 87567424), (224, 86785572), (259, 75057792), (284, 68450592), (296, 65675568), (336, 57857048), (384, 50624917), (426, 45633728), (444, 43783712), (448, 43392786), (497, 39114624), (518, 37528896), (568, 34225296), (592, 32837784), (672, 28928524), (777, 25019264), (852, 22816864), (888, 21891856), (896, 21696393), (994, 19557312), (1036, 18764448), (1136, 17112648), (1184, 16418892), (1344, 14464262), (1491, 13038208), (1554, 12509632), (1704, 11408432), (1776, 10945928), (1988, 9778656), (2072, 9382224), (2272, 8556324), (2368, 8209446), (2627, 7400064), (2688, 7232131), (2753, 7061376), (2982, 6519104), (3108, 6254816), (3408, 5704216), (3552, 5472964), (3976, 4889328), (4144, 4691112), (4544, 4278162), (4736, 4104723), (5254, 3700032), (5506, 3530688), (5964, 3259552), (6216, 3127408), (6816, 2852108), (7104, 2736482), (7881, 2466688), (7952, 2444664), (8259, 2353792), (8288, 2345556), (9088, 2139081), (10508, 1850016), (11012, 1765344), (11928, 1629776), (12432, 1563704), (13632, 1426054), (14208, 1368241), (15762, 1233344), (15904, 1222332), (16518, 1176896), (16576, 1172778), (18389, 1057152), (19271, 1008768), (21016, 925008), (22024, 882672), (23856, 814888), (24864, 781852), (27264, 713027), (31524, 616672), (31808, 611166), (33036, 588448), (33152, 586389), (36778, 528576), (38542, 504384), (42032, 462504), (44048, 441336), (47712, 407444), (49728, 390926), (55167, 352384), (57813, 336256), (63048, 308336), (63616, 305583), (66072, 294224), (73556, 264288), (77084, 252192), (84064, 231252), (88096, 220668), (95424, 203722), (99456, 195463), (101861, 190848), (110334, 176192), (115626, 168128), (126096, 154168), (132144, 147112)]