19912486

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:900

約数の個数: 24

約数和(自身を含む): 33180840

約数和(自身を除く): 13268354

約数列:

[1, 2, 11, 22, 107, 121, 214, 242, 769, 1177, 1538, 2354, 8459, 12947, 16918, 25894, 82283, 93049, 164566, 186098, 905113, 1810226, 9956243, 19912486]

約数ペア:

[(1, 19912486), (2, 9956243), (11, 1810226), (22, 905113), (107, 186098), (121, 164566), (214, 93049), (242, 82283), (769, 25894), (1177, 16918), (1538, 12947), (2354, 8459)]