19197952

素因数分解:

$2^{12}\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 52

約数和(自身を含む): 39644440

約数和(自身を除く): 20446488

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 109, 128, 172, 218, 256, 344, 436, 512, 688, 872, 1024, 1376, 1744, 2048, 2752, 3488, 4096, 4687, 5504, 6976, 9374, 11008, 13952, 18748, 22016, 27904, 37496, 44032, 55808, 74992, 88064, 111616, 149984, 176128, 223232, 299968, 446464, 599936, 1199872, 2399744, 4799488, 9598976, 19197952]

約数ペア:

[(1, 19197952), (2, 9598976), (4, 4799488), (8, 2399744), (16, 1199872), (32, 599936), (43, 446464), (64, 299968), (86, 223232), (109, 176128), (128, 149984), (172, 111616), (218, 88064), (256, 74992), (344, 55808), (436, 44032), (512, 37496), (688, 27904), (872, 22016), (1024, 18748), (1376, 13952), (1744, 11008), (2048, 9374), (2752, 6976), (3488, 5504), (4096, 4687)]