19793984

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 50035968

約数和(自身を除く): 30241984

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 64, 68, 92, 112, 113, 119, 136, 161, 184, 224, 226, 238, 272, 322, 368, 391, 448, 452, 476, 544, 644, 736, 782, 791, 904, 952, 1088, 1288, 1472, 1564, 1582, 1808, 1904, 1921, 2576, 2599, 2737, 3128, 3164, 3616, 3808, 3842, 5152, 5198, 5474, 6256, 6328, 7232, 7616, 7684, 10304, 10396, 10948, 12512, 12656, 13447, 15368, 18193, 20792, 21896, 25024, 25312, 26894, 30736, 36386, 41584, 43792, 44183, 50624, 53788, 61472, 72772, 83168, 87584, 88366, 107576, 122944, 145544, 166336, 175168, 176732, 215152, 291088, 309281, 353464, 430304, 582176, 618562, 706928, 860608, 1164352, 1237124, 1413856, 2474248, 2827712, 4948496, 9896992, 19793984]

約数ペア:

[(1, 19793984), (2, 9896992), (4, 4948496), (7, 2827712), (8, 2474248), (14, 1413856), (16, 1237124), (17, 1164352), (23, 860608), (28, 706928), (32, 618562), (34, 582176), (46, 430304), (56, 353464), (64, 309281), (68, 291088), (92, 215152), (112, 176732), (113, 175168), (119, 166336), (136, 145544), (161, 122944), (184, 107576), (224, 88366), (226, 87584), (238, 83168), (272, 72772), (322, 61472), (368, 53788), (391, 50624), (448, 44183), (452, 43792), (476, 41584), (544, 36386), (644, 30736), (736, 26894), (782, 25312), (791, 25024), (904, 21896), (952, 20792), (1088, 18193), (1288, 15368), (1472, 13447), (1564, 12656), (1582, 12512), (1808, 10948), (1904, 10396), (1921, 10304), (2576, 7684), (2599, 7616), (2737, 7232), (3128, 6328), (3164, 6256), (3616, 5474), (3808, 5198), (3842, 5152)]