18904644864

素因数分解:

$2^8\times 3^3\times 7^1\times {\mathrm{390721}}^1$

素因数の和:390753

約数の個数: 144

約数和(自身を含む): 63890861440

約数和(自身を除く): 44986216576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 576, 672, 756, 768, 864, 896, 1008, 1152, 1344, 1512, 1728, 1792, 2016, 2304, 2688, 3024, 3456, 4032, 5376, 6048, 6912, 8064, 12096, 16128, 24192, 48384, 390721, 781442, 1172163, 1562884, 2344326, 2735047, 3125768, 3516489, 4688652, 5470094, 6251536, 7032978, 8205141, 9377304, 10549467, 10940188, 12503072, 14065956, 16410282, 18754608, 21098934, 21880376, 24615423, 25006144, 28131912, 32820564, 37509216, 42197868, 43760752, 49230846, 50012288, 56263824, 65641128, 73846269, 75018432, 84395736, 87521504, 98461692, 100024576, 112527648, 131282256, 147692538, 150036864, 168791472, 175043008, 196923384, 225055296, 262564512, 295385076, 300073728, 337582944, 350086016, 393846768, 450110592, 525129024, 590770152, 675165888, 700172032, 787693536, 900221184, 1050258048, 1181540304, 1350331776, 1575387072, 2100516096, 2363080608, 2700663552, 3150774144, 4726161216, 6301548288, 9452322432, 18904644864]

約数ペア:

[(1, 18904644864), (2, 9452322432), (3, 6301548288), (4, 4726161216), (6, 3150774144), (7, 2700663552), (8, 2363080608), (9, 2100516096), (12, 1575387072), (14, 1350331776), (16, 1181540304), (18, 1050258048), (21, 900221184), (24, 787693536), (27, 700172032), (28, 675165888), (32, 590770152), (36, 525129024), (42, 450110592), (48, 393846768), (54, 350086016), (56, 337582944), (63, 300073728), (64, 295385076), (72, 262564512), (84, 225055296), (96, 196923384), (108, 175043008), (112, 168791472), (126, 150036864), (128, 147692538), (144, 131282256), (168, 112527648), (189, 100024576), (192, 98461692), (216, 87521504), (224, 84395736), (252, 75018432), (256, 73846269), (288, 65641128), (336, 56263824), (378, 50012288), (384, 49230846), (432, 43760752), (448, 42197868), (504, 37509216), (576, 32820564), (672, 28131912), (756, 25006144), (768, 24615423), (864, 21880376), (896, 21098934), (1008, 18754608), (1152, 16410282), (1344, 14065956), (1512, 12503072), (1728, 10940188), (1792, 10549467), (2016, 9377304), (2304, 8205141), (2688, 7032978), (3024, 6251536), (3456, 5470094), (4032, 4688652), (5376, 3516489), (6048, 3125768), (6912, 2735047), (8064, 2344326), (12096, 1562884), (16128, 1172163), (24192, 781442), (48384, 390721)]