19882203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{937}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 28995456

約数和(自身を除く): 9113253

約数列:

[1, 3, 11, 33, 643, 937, 1929, 2811, 7073, 10307, 21219, 30921, 602491, 1807473, 6627401, 19882203]

約数ペア:

[(1, 19882203), (3, 6627401), (11, 1807473), (33, 602491), (643, 30921), (937, 21219), (1929, 10307), (2811, 7073)]