19921544

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5449}}^1$

素因数の和:5912

約数の個数: 16

約数和(自身を含む): 37441500

約数和(自身を除く): 17519956

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5449, 10898, 21796, 43592, 2490193, 4980386, 9960772, 19921544]

約数ペア:

[(1, 19921544), (2, 9960772), (4, 4980386), (8, 2490193), (457, 43592), (914, 21796), (1828, 10898), (3656, 5449)]