19992808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227191}}^1$

素因数の和:227208

約数の個数: 16

約数和(自身を含む): 40894560

約数和(自身を除く): 20901752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227191, 454382, 908764, 1817528, 2499101, 4998202, 9996404, 19992808]

約数ペア:

[(1, 19992808), (2, 9996404), (4, 4998202), (8, 2499101), (11, 1817528), (22, 908764), (44, 454382), (88, 227191)]