19969186

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{1123}}^1$

素因数の和:1665

約数の個数: 16

約数和(自身を含む): 31804704

約数和(自身を除く): 11835518

約数列:

[1, 2, 17, 34, 523, 1046, 1123, 2246, 8891, 17782, 19091, 38182, 587329, 1174658, 9984593, 19969186]

約数ペア:

[(1, 19969186), (2, 9984593), (17, 1174658), (34, 587329), (523, 38182), (1046, 19091), (1123, 17782), (2246, 8891)]