19541139

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2617}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 27646080

約数和(自身を除く): 8104941

約数列:

[1, 3, 19, 57, 131, 393, 2489, 2617, 7467, 7851, 49723, 149169, 342827, 1028481, 6513713, 19541139]

約数ペア:

[(1, 19541139), (3, 6513713), (19, 1028481), (57, 342827), (131, 149169), (393, 49723), (2489, 7851), (2617, 7467)]