19689802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{11329}}^1$

素因数の和:11421

約数の個数: 16

約数和(自身を含む): 32630400

約数和(自身を除く): 12940598

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 11329, 22658, 124619, 249238, 894991, 1789982, 9844901, 19689802]

約数ペア:

[(1, 19689802), (2, 9844901), (11, 1789982), (22, 894991), (79, 249238), (158, 124619), (869, 22658), (1738, 11329)]