19969216

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{4657}}^1$

素因数の和:4736

約数の個数: 28

約数和(自身を含む): 40226488

約数和(自身を除く): 20257272

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 4657, 9314, 18628, 37256, 74512, 149024, 298048, 312019, 624038, 1248076, 2496152, 4992304, 9984608, 19969216]

約数ペア:

[(1, 19969216), (2, 9984608), (4, 4992304), (8, 2496152), (16, 1248076), (32, 624038), (64, 312019), (67, 298048), (134, 149024), (268, 74512), (536, 37256), (1072, 18628), (2144, 9314), (4288, 4657)]