19619727

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 26860032

約数和(自身を除く): 7240305

約数列:

[1, 3, 47, 141, 347, 401, 1041, 1203, 16309, 18847, 48927, 56541, 139147, 417441, 6539909, 19619727]

約数ペア:

[(1, 19619727), (3, 6539909), (47, 417441), (141, 139147), (347, 56541), (401, 48927), (1041, 18847), (1203, 16309)]