19898992

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2833}}^1$

素因数の和:3280

約数の個数: 20

約数和(自身を含む): 38655760

約数和(自身を除く): 18756768

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2833, 3512, 5666, 7024, 11332, 22664, 45328, 1243687, 2487374, 4974748, 9949496, 19898992]

約数ペア:

[(1, 19898992), (2, 9949496), (4, 4974748), (8, 2487374), (16, 1243687), (439, 45328), (878, 22664), (1756, 11332), (2833, 7024), (3512, 5666)]