19910071808

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 240

約数和(自身を含む): 46434215520

約数和(自身を除く): 26524143712

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 32, 44, 46, 64, 88, 89, 92, 121, 128, 157, 176, 178, 184, 242, 253, 256, 314, 352, 356, 368, 484, 506, 512, 628, 704, 712, 736, 968, 979, 1012, 1256, 1408, 1424, 1472, 1727, 1936, 1958, 2024, 2047, 2512, 2783, 2816, 2848, 2944, 3454, 3611, 3872, 3916, 4048, 4094, 5024, 5566, 5632, 5696, 5888, 6908, 7222, 7744, 7832, 8096, 8188, 10048, 10769, 11132, 11392, 11776, 13816, 13973, 14444, 15488, 15664, 16192, 16376, 18997, 20096, 21538, 22264, 22517, 22784, 27632, 27946, 28888, 30976, 31328, 32384, 32752, 37994, 39721, 40192, 43076, 44528, 45034, 45568, 55264, 55892, 57776, 61952, 62656, 64768, 65504, 75988, 79442, 80384, 86152, 89056, 90068, 110528, 111784, 115552, 125312, 129536, 131008, 151976, 153703, 158884, 172304, 178112, 180136, 221056, 223568, 231104, 247687, 250624, 262016, 303952, 307406, 317768, 321379, 344608, 356224, 360272, 436931, 442112, 447136, 462208, 495374, 501248, 524032, 607904, 614812, 635536, 642758, 689216, 712448, 720544, 873862, 884224, 894272, 924416, 990748, 1048064, 1215808, 1229624, 1271072, 1285516, 1378432, 1424896, 1441088, 1690733, 1747724, 1788544, 1848832, 1981496, 2431616, 2459248, 2542144, 2571032, 2756864, 2882176, 3381466, 3495448, 3535169, 3577088, 3962992, 4863232, 4918496, 5084288, 5142064, 5513728, 5764352, 6762932, 6990896, 7070338, 7154176, 7925984, 9726464, 9836992, 10168576, 10284128, 11528704, 13525864, 13981792, 14140676, 15851968, 19673984, 20337152, 20568256, 27051728, 27963584, 28281352, 31703936, 38886859, 39347968, 41136512, 54103456, 55927168, 56562704, 63407872, 77773718, 78695936, 82273024, 108206912, 111854336, 113125408, 126815744, 155547436, 164546048, 216413824, 223708672, 226250816, 311094872, 432827648, 452501632, 622189744, 865655296, 905003264, 1244379488, 1810006528, 2488758976, 4977517952, 9955035904, 19910071808]

約数ペア:

[(1, 19910071808), (2, 9955035904), (4, 4977517952), (8, 2488758976), (11, 1810006528), (16, 1244379488), (22, 905003264), (23, 865655296), (32, 622189744), (44, 452501632), (46, 432827648), (64, 311094872), (88, 226250816), (89, 223708672), (92, 216413824), (121, 164546048), (128, 155547436), (157, 126815744), (176, 113125408), (178, 111854336), (184, 108206912), (242, 82273024), (253, 78695936), (256, 77773718), (314, 63407872), (352, 56562704), (356, 55927168), (368, 54103456), (484, 41136512), (506, 39347968), (512, 38886859), (628, 31703936), (704, 28281352), (712, 27963584), (736, 27051728), (968, 20568256), (979, 20337152), (1012, 19673984), (1256, 15851968), (1408, 14140676), (1424, 13981792), (1472, 13525864), (1727, 11528704), (1936, 10284128), (1958, 10168576), (2024, 9836992), (2047, 9726464), (2512, 7925984), (2783, 7154176), (2816, 7070338), (2848, 6990896), (2944, 6762932), (3454, 5764352), (3611, 5513728), (3872, 5142064), (3916, 5084288), (4048, 4918496), (4094, 4863232), (5024, 3962992), (5566, 3577088), (5632, 3535169), (5696, 3495448), (5888, 3381466), (6908, 2882176), (7222, 2756864), (7744, 2571032), (7832, 2542144), (8096, 2459248), (8188, 2431616), (10048, 1981496), (10769, 1848832), (11132, 1788544), (11392, 1747724), (11776, 1690733), (13816, 1441088), (13973, 1424896), (14444, 1378432), (15488, 1285516), (15664, 1271072), (16192, 1229624), (16376, 1215808), (18997, 1048064), (20096, 990748), (21538, 924416), (22264, 894272), (22517, 884224), (22784, 873862), (27632, 720544), (27946, 712448), (28888, 689216), (30976, 642758), (31328, 635536), (32384, 614812), (32752, 607904), (37994, 524032), (39721, 501248), (40192, 495374), (43076, 462208), (44528, 447136), (45034, 442112), (45568, 436931), (55264, 360272), (55892, 356224), (57776, 344608), (61952, 321379), (62656, 317768), (64768, 307406), (65504, 303952), (75988, 262016), (79442, 250624), (80384, 247687), (86152, 231104), (89056, 223568), (90068, 221056), (110528, 180136), (111784, 178112), (115552, 172304), (125312, 158884), (129536, 153703), (131008, 151976)]