19097547

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21149}}^1$

素因数の和:21202

約数の個数: 16

約数和(自身を含む): 29779200

約数和(自身を除く): 10681653

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21149, 63447, 148043, 444129, 909407, 2728221, 6365849, 19097547]

約数ペア:

[(1, 19097547), (3, 6365849), (7, 2728221), (21, 909407), (43, 444129), (129, 148043), (301, 63447), (903, 21149)]