19716984

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 67392000

約数和(自身を除く): 47675016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 29, 36, 38, 42, 56, 57, 58, 63, 71, 72, 76, 84, 87, 114, 116, 126, 133, 142, 152, 168, 171, 174, 203, 213, 228, 232, 252, 261, 266, 284, 342, 348, 399, 406, 426, 456, 497, 504, 522, 532, 551, 568, 609, 639, 684, 696, 798, 812, 852, 994, 1044, 1064, 1102, 1197, 1218, 1278, 1349, 1368, 1491, 1596, 1624, 1653, 1704, 1827, 1988, 2059, 2088, 2204, 2394, 2436, 2556, 2698, 2982, 3192, 3306, 3654, 3857, 3976, 4047, 4118, 4408, 4473, 4788, 4872, 4959, 5112, 5396, 5964, 6177, 6612, 7308, 7714, 8094, 8236, 8946, 9443, 9576, 9918, 10792, 11571, 11928, 12141, 12354, 13224, 14413, 14616, 15428, 16188, 16472, 17892, 18531, 18886, 19836, 23142, 24282, 24708, 28329, 28826, 30856, 32376, 34713, 35784, 37062, 37772, 39121, 39672, 43239, 46284, 48564, 49416, 56658, 57652, 69426, 74124, 75544, 78242, 84987, 86478, 92568, 97128, 113316, 115304, 117363, 129717, 138852, 148248, 156484, 169974, 172956, 226632, 234726, 259434, 273847, 277704, 312968, 339948, 345912, 352089, 469452, 518868, 547694, 679896, 704178, 821541, 938904, 1037736, 1095388, 1408356, 1643082, 2190776, 2464623, 2816712, 3286164, 4929246, 6572328, 9858492, 19716984]

約数ペア:

[(1, 19716984), (2, 9858492), (3, 6572328), (4, 4929246), (6, 3286164), (7, 2816712), (8, 2464623), (9, 2190776), (12, 1643082), (14, 1408356), (18, 1095388), (19, 1037736), (21, 938904), (24, 821541), (28, 704178), (29, 679896), (36, 547694), (38, 518868), (42, 469452), (56, 352089), (57, 345912), (58, 339948), (63, 312968), (71, 277704), (72, 273847), (76, 259434), (84, 234726), (87, 226632), (114, 172956), (116, 169974), (126, 156484), (133, 148248), (142, 138852), (152, 129717), (168, 117363), (171, 115304), (174, 113316), (203, 97128), (213, 92568), (228, 86478), (232, 84987), (252, 78242), (261, 75544), (266, 74124), (284, 69426), (342, 57652), (348, 56658), (399, 49416), (406, 48564), (426, 46284), (456, 43239), (497, 39672), (504, 39121), (522, 37772), (532, 37062), (551, 35784), (568, 34713), (609, 32376), (639, 30856), (684, 28826), (696, 28329), (798, 24708), (812, 24282), (852, 23142), (994, 19836), (1044, 18886), (1064, 18531), (1102, 17892), (1197, 16472), (1218, 16188), (1278, 15428), (1349, 14616), (1368, 14413), (1491, 13224), (1596, 12354), (1624, 12141), (1653, 11928), (1704, 11571), (1827, 10792), (1988, 9918), (2059, 9576), (2088, 9443), (2204, 8946), (2394, 8236), (2436, 8094), (2556, 7714), (2698, 7308), (2982, 6612), (3192, 6177), (3306, 5964), (3654, 5396), (3857, 5112), (3976, 4959), (4047, 4872), (4118, 4788), (4408, 4473)]