19495881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4957}}^1$

素因数の和:5005

約数の個数: 24

約数和(自身を含む): 30937920

約数和(自身を除く): 11442039

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 1311, 3933, 4957, 14871, 44613, 94183, 114011, 282549, 342033, 847647, 1026099, 2166209, 6498627, 19495881]

約数ペア:

[(1, 19495881), (3, 6498627), (9, 2166209), (19, 1026099), (23, 847647), (57, 342033), (69, 282549), (171, 114011), (207, 94183), (437, 44613), (1311, 14871), (3933, 4957)]