19639642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1789}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 32220000

約数和(自身を除く): 12580358

約数列:

[1, 2, 11, 22, 499, 998, 1789, 3578, 5489, 10978, 19679, 39358, 892711, 1785422, 9819821, 19639642]

約数ペア:

[(1, 19639642), (2, 9819821), (11, 1785422), (22, 892711), (499, 39358), (998, 19679), (1789, 10978), (3578, 5489)]