19907024

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8951}}^1$

素因数の和:9098

約数の個数: 20

約数和(自身を含む): 38851680

約数和(自身を除く): 18944656

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8951, 17902, 35804, 71608, 143216, 1244189, 2488378, 4976756, 9953512, 19907024]

約数ペア:

[(1, 19907024), (2, 9953512), (4, 4976756), (8, 2488378), (16, 1244189), (139, 143216), (278, 71608), (556, 35804), (1112, 17902), (2224, 8951)]