19970197

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 22800960

約数和(自身を除く): 2830763

約数列:

[1, 13, 19, 233, 247, 347, 3029, 4427, 4511, 6593, 57551, 80851, 85709, 1051063, 1536169, 19970197]

約数ペア:

[(1, 19970197), (13, 1536169), (19, 1051063), (233, 85709), (247, 80851), (347, 57551), (3029, 6593), (4427, 4511)]