18929833

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 21631680

約数和(自身を除く): 2701847

約数列:

[1, 13, 19, 173, 247, 443, 2249, 3287, 5759, 8417, 42731, 76639, 109421, 996307, 1456141, 18929833]

約数ペア:

[(1, 18929833), (13, 1456141), (19, 996307), (173, 109421), (247, 76639), (443, 42731), (2249, 8417), (3287, 5759)]