19308976

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2749}}^1$

素因数の和:3196

約数の個数: 20

約数和(自身を含む): 37510000

約数和(自身を除く): 18201024

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2749, 3512, 5498, 7024, 10996, 21992, 43984, 1206811, 2413622, 4827244, 9654488, 19308976]

約数ペア:

[(1, 19308976), (2, 9654488), (4, 4827244), (8, 2413622), (16, 1206811), (439, 43984), (878, 21992), (1756, 10996), (2749, 7024), (3512, 5498)]