19983886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1069}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 12372914

約数列:

[1, 2, 13, 26, 719, 1069, 1438, 2138, 9347, 13897, 18694, 27794, 768611, 1537222, 9991943, 19983886]

約数ペア:

[(1, 19983886), (2, 9991943), (13, 1537222), (26, 768611), (719, 27794), (1069, 18694), (1438, 13897), (2138, 9347)]