19671141

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 11939739

約数列:

[1, 3, 7, 21, 23, 69, 139, 161, 293, 417, 483, 879, 973, 2051, 2919, 3197, 6153, 6739, 9591, 20217, 22379, 40727, 47173, 67137, 122181, 141519, 285089, 855267, 936721, 2810163, 6557047, 19671141]

約数ペア:

[(1, 19671141), (3, 6557047), (7, 2810163), (21, 936721), (23, 855267), (69, 285089), (139, 141519), (161, 122181), (293, 67137), (417, 47173), (483, 40727), (879, 22379), (973, 20217), (2051, 9591), (2919, 6739), (3197, 6153)]