19992208

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4751}}^1$

素因数の和:5022

約数の個数: 20

約数和(自身を含む): 38890368

約数和(自身を除く): 18898160

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4751, 9502, 19004, 38008, 76016, 1249513, 2499026, 4998052, 9996104, 19992208]

約数ペア:

[(1, 19992208), (2, 9996104), (4, 4998052), (8, 2499026), (16, 1249513), (263, 76016), (526, 38008), (1052, 19004), (2104, 9502), (4208, 4751)]