19603984

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2791}}^1$

素因数の和:3238

約数の個数: 20

約数和(自身を含む): 38082880

約数和(自身を除く): 18478896

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2791, 3512, 5582, 7024, 11164, 22328, 44656, 1225249, 2450498, 4900996, 9801992, 19603984]

約数ペア:

[(1, 19603984), (2, 9801992), (4, 4900996), (8, 2450498), (16, 1225249), (439, 44656), (878, 22328), (1756, 11164), (2791, 7024), (3512, 5582)]