19473152

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 41820240

約数和(自身を除く): 22347088

約数列:

[1, 2, 4, 8, 16, 29, 32, 43, 58, 61, 64, 86, 116, 122, 128, 172, 232, 244, 256, 344, 464, 488, 688, 928, 976, 1247, 1376, 1769, 1856, 1952, 2494, 2623, 2752, 3538, 3712, 3904, 4988, 5246, 5504, 7076, 7424, 7808, 9976, 10492, 11008, 14152, 15616, 19952, 20984, 28304, 39904, 41968, 56608, 76067, 79808, 83936, 113216, 152134, 159616, 167872, 226432, 304268, 319232, 335744, 452864, 608536, 671488, 1217072, 2434144, 4868288, 9736576, 19473152]

約数ペア:

[(1, 19473152), (2, 9736576), (4, 4868288), (8, 2434144), (16, 1217072), (29, 671488), (32, 608536), (43, 452864), (58, 335744), (61, 319232), (64, 304268), (86, 226432), (116, 167872), (122, 159616), (128, 152134), (172, 113216), (232, 83936), (244, 79808), (256, 76067), (344, 56608), (464, 41968), (488, 39904), (688, 28304), (928, 20984), (976, 19952), (1247, 15616), (1376, 14152), (1769, 11008), (1856, 10492), (1952, 9976), (2494, 7808), (2623, 7424), (2752, 7076), (3538, 5504), (3712, 5246), (3904, 4988)]