18760391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 2689849

約数列:

[1, 13, 19, 151, 247, 503, 1963, 2869, 6539, 9557, 37297, 75953, 124241, 987389, 1443107, 18760391]

約数ペア:

[(1, 18760391), (13, 1443107), (19, 987389), (151, 124241), (247, 75953), (503, 37297), (1963, 9557), (2869, 6539)]