19638616

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{57089}}^1$

素因数の和:57138

約数の個数: 16

約数和(自身を含む): 37679400

約数和(自身を除く): 18040784

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 57089, 114178, 228356, 456712, 2454827, 4909654, 9819308, 19638616]

約数ペア:

[(1, 19638616), (2, 9819308), (4, 4909654), (8, 2454827), (43, 456712), (86, 228356), (172, 114178), (344, 57089)]