19882448

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4391}}^1$

素因数の和:4682

約数の個数: 20

約数和(自身を含む): 38667168

約数和(自身を除く): 18784720

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4391, 4528, 8782, 17564, 35128, 70256, 1242653, 2485306, 4970612, 9941224, 19882448]

約数ペア:

[(1, 19882448), (2, 9941224), (4, 4970612), (8, 2485306), (16, 1242653), (283, 70256), (566, 35128), (1132, 17564), (2264, 8782), (4391, 4528)]