19237768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{218611}}^1$

素因数の和:218628

約数の個数: 16

約数和(自身を含む): 39350160

約数和(自身を除く): 20112392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 218611, 437222, 874444, 1748888, 2404721, 4809442, 9618884, 19237768]

約数ペア:

[(1, 19237768), (2, 9618884), (4, 4809442), (8, 2404721), (11, 1748888), (22, 874444), (44, 437222), (88, 218611)]