19967435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3851}}^1$

素因数の和:3934

約数の個数: 16

約数和(自身を含む): 25792992

約数和(自身を除く): 5825557

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3851, 5185, 19255, 65467, 234911, 327335, 1174555, 3993487, 19967435]

約数ペア:

[(1, 19967435), (5, 3993487), (17, 1174555), (61, 327335), (85, 234911), (305, 65467), (1037, 19255), (3851, 5185)]