19899122

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:785

約数の個数: 16

約数和(自身を含む): 30336000

約数和(自身を除く): 10436878

約数列:

[1, 2, 127, 157, 254, 314, 499, 998, 19939, 39878, 63373, 78343, 126746, 156686, 9949561, 19899122]

約数ペア:

[(1, 19899122), (2, 9949561), (127, 156686), (157, 126746), (254, 78343), (314, 63373), (499, 39878), (998, 19939)]