19387277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11213}}^1$

素因数の和:11252

約数の個数: 16

約数和(自身を含む): 25119360

約数和(自身を除く): 5732083

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11213, 78491, 145769, 213047, 1020383, 1491329, 2769611, 19387277]

約数ペア:

[(1, 19387277), (7, 2769611), (13, 1491329), (19, 1020383), (91, 213047), (133, 145769), (247, 78491), (1729, 11213)]