19996416

素因数分解:

$2^8\times 3^3\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 44757504

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 88, 96, 99, 108, 128, 132, 144, 176, 192, 198, 216, 256, 263, 264, 288, 297, 352, 384, 396, 432, 526, 528, 576, 594, 704, 768, 789, 792, 864, 1052, 1056, 1152, 1188, 1408, 1578, 1584, 1728, 2104, 2112, 2304, 2367, 2376, 2816, 2893, 3156, 3168, 3456, 4208, 4224, 4734, 4752, 5786, 6312, 6336, 6912, 7101, 8416, 8448, 8679, 9468, 9504, 11572, 12624, 12672, 14202, 16832, 17358, 18936, 19008, 23144, 25248, 25344, 26037, 28404, 33664, 34716, 37872, 38016, 46288, 50496, 52074, 56808, 67328, 69432, 75744, 76032, 78111, 92576, 100992, 104148, 113616, 138864, 151488, 156222, 185152, 201984, 208296, 227232, 277728, 302976, 312444, 370304, 416592, 454464, 555456, 605952, 624888, 740608, 833184, 908928, 1110912, 1249776, 1666368, 1817856, 2221824, 2499552, 3332736, 4999104, 6665472, 9998208, 19996416]

約数ペア:

[(1, 19996416), (2, 9998208), (3, 6665472), (4, 4999104), (6, 3332736), (8, 2499552), (9, 2221824), (11, 1817856), (12, 1666368), (16, 1249776), (18, 1110912), (22, 908928), (24, 833184), (27, 740608), (32, 624888), (33, 605952), (36, 555456), (44, 454464), (48, 416592), (54, 370304), (64, 312444), (66, 302976), (72, 277728), (88, 227232), (96, 208296), (99, 201984), (108, 185152), (128, 156222), (132, 151488), (144, 138864), (176, 113616), (192, 104148), (198, 100992), (216, 92576), (256, 78111), (263, 76032), (264, 75744), (288, 69432), (297, 67328), (352, 56808), (384, 52074), (396, 50496), (432, 46288), (526, 38016), (528, 37872), (576, 34716), (594, 33664), (704, 28404), (768, 26037), (789, 25344), (792, 25248), (864, 23144), (1052, 19008), (1056, 18936), (1152, 17358), (1188, 16832), (1408, 14202), (1578, 12672), (1584, 12624), (1728, 11572), (2104, 9504), (2112, 9468), (2304, 8679), (2367, 8448), (2376, 8416), (2816, 7101), (2893, 6912), (3156, 6336), (3168, 6312), (3456, 5786), (4208, 4752), (4224, 4734)]