19828048

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6421}}^1$

素因数の和:6622

約数の個数: 20

約数和(自身を含む): 38621908

約数和(自身を除く): 18793860

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6421, 12842, 25684, 51368, 102736, 1239253, 2478506, 4957012, 9914024, 19828048]

約数ペア:

[(1, 19828048), (2, 9914024), (4, 4957012), (8, 2478506), (16, 1239253), (193, 102736), (386, 51368), (772, 25684), (1544, 12842), (3088, 6421)]