19792384

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 80

約数和(自身を含む): 43211520

約数和(自身を除く): 23419136

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 43, 58, 62, 64, 86, 116, 124, 128, 172, 232, 248, 256, 344, 464, 496, 512, 688, 899, 928, 992, 1247, 1333, 1376, 1798, 1856, 1984, 2494, 2666, 2752, 3596, 3712, 3968, 4988, 5332, 5504, 7192, 7424, 7936, 9976, 10664, 11008, 14384, 14848, 15872, 19952, 21328, 22016, 28768, 38657, 39904, 42656, 57536, 77314, 79808, 85312, 115072, 154628, 159616, 170624, 230144, 309256, 319232, 341248, 460288, 618512, 638464, 682496, 1237024, 2474048, 4948096, 9896192, 19792384]

約数ペア:

[(1, 19792384), (2, 9896192), (4, 4948096), (8, 2474048), (16, 1237024), (29, 682496), (31, 638464), (32, 618512), (43, 460288), (58, 341248), (62, 319232), (64, 309256), (86, 230144), (116, 170624), (124, 159616), (128, 154628), (172, 115072), (232, 85312), (248, 79808), (256, 77314), (344, 57536), (464, 42656), (496, 39904), (512, 38657), (688, 28768), (899, 22016), (928, 21328), (992, 19952), (1247, 15872), (1333, 14848), (1376, 14384), (1798, 11008), (1856, 10664), (1984, 9976), (2494, 7936), (2666, 7424), (2752, 7192), (3596, 5504), (3712, 5332), (3968, 4988)]