19789456

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8191}}^1$

素因数の和:8350

約数の個数: 20

約数和(自身を含む): 38600704

約数和(自身を除く): 18811248

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8191, 16382, 32764, 65528, 131056, 1236841, 2473682, 4947364, 9894728, 19789456]

約数ペア:

[(1, 19789456), (2, 9894728), (4, 4947364), (8, 2473682), (16, 1236841), (151, 131056), (302, 65528), (604, 32764), (1208, 16382), (2416, 8191)]