19992656

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17117}}^1$

素因数の和:17198

約数の個数: 20

約数和(自身を含む): 39268692

約数和(自身を除く): 19276036

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17117, 34234, 68468, 136936, 273872, 1249541, 2499082, 4998164, 9996328, 19992656]

約数ペア:

[(1, 19992656), (2, 9996328), (4, 4998164), (8, 2499082), (16, 1249541), (73, 273872), (146, 136936), (292, 68468), (584, 34234), (1168, 17117)]