19889872

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17029}}^1$

素因数の和:17110

約数の個数: 20

約数和(自身を含む): 39066820

約数和(自身を除く): 19176948

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17029, 34058, 68116, 136232, 272464, 1243117, 2486234, 4972468, 9944936, 19889872]

約数ペア:

[(1, 19889872), (2, 9944936), (4, 4972468), (8, 2486234), (16, 1243117), (73, 272464), (146, 136232), (292, 68116), (584, 34058), (1168, 17029)]