19658016

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 65520000

約数和(自身を除く): 45861984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 199, 224, 252, 288, 294, 336, 343, 392, 398, 441, 504, 588, 597, 672, 686, 784, 796, 882, 1008, 1029, 1176, 1194, 1372, 1393, 1568, 1592, 1764, 1791, 2016, 2058, 2352, 2388, 2744, 2786, 3087, 3184, 3528, 3582, 4116, 4179, 4704, 4776, 5488, 5572, 6174, 6368, 7056, 7164, 8232, 8358, 9552, 9751, 10976, 11144, 12348, 12537, 14112, 14328, 16464, 16716, 19104, 19502, 22288, 24696, 25074, 28656, 29253, 32928, 33432, 39004, 44576, 49392, 50148, 57312, 58506, 66864, 68257, 78008, 87759, 98784, 100296, 117012, 133728, 136514, 156016, 175518, 200592, 204771, 234024, 273028, 312032, 351036, 401184, 409542, 468048, 546056, 614313, 702072, 819084, 936096, 1092112, 1228626, 1404144, 1638168, 2184224, 2457252, 2808288, 3276336, 4914504, 6552672, 9829008, 19658016]

約数ペア:

[(1, 19658016), (2, 9829008), (3, 6552672), (4, 4914504), (6, 3276336), (7, 2808288), (8, 2457252), (9, 2184224), (12, 1638168), (14, 1404144), (16, 1228626), (18, 1092112), (21, 936096), (24, 819084), (28, 702072), (32, 614313), (36, 546056), (42, 468048), (48, 409542), (49, 401184), (56, 351036), (63, 312032), (72, 273028), (84, 234024), (96, 204771), (98, 200592), (112, 175518), (126, 156016), (144, 136514), (147, 133728), (168, 117012), (196, 100296), (199, 98784), (224, 87759), (252, 78008), (288, 68257), (294, 66864), (336, 58506), (343, 57312), (392, 50148), (398, 49392), (441, 44576), (504, 39004), (588, 33432), (597, 32928), (672, 29253), (686, 28656), (784, 25074), (796, 24696), (882, 22288), (1008, 19502), (1029, 19104), (1176, 16716), (1194, 16464), (1372, 14328), (1393, 14112), (1568, 12537), (1592, 12348), (1764, 11144), (1791, 10976), (2016, 9751), (2058, 9552), (2352, 8358), (2388, 8232), (2744, 7164), (2786, 7056), (3087, 6368), (3184, 6174), (3528, 5572), (3582, 5488), (4116, 4776), (4179, 4704)]