19011982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{10939}}^1$

素因数の和:11031

約数の個数: 16

約数和(自身を含む): 31507200

約数和(自身を除く): 12495218

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 10939, 21878, 120329, 240658, 864181, 1728362, 9505991, 19011982]

約数ペア:

[(1, 19011982), (2, 9505991), (11, 1728362), (22, 864181), (79, 240658), (158, 120329), (869, 21878), (1738, 10939)]