19908592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113117}}^1$

素因数の和:113136

約数の個数: 20

約数和(自身を含む): 42079896

約数和(自身を除く): 22171304

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113117, 226234, 452468, 904936, 1244287, 1809872, 2488574, 4977148, 9954296, 19908592]

約数ペア:

[(1, 19908592), (2, 9954296), (4, 4977148), (8, 2488574), (11, 1809872), (16, 1244287), (22, 904936), (44, 452468), (88, 226234), (176, 113117)]