19888858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47581}}^1$

素因数の和:47613

約数の個数: 16

約数和(自身を含む): 34259040

約数和(自身を除く): 14370182

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47581, 95162, 523391, 904039, 1046782, 1808078, 9944429, 19888858]

約数ペア:

[(1, 19888858), (2, 9944429), (11, 1808078), (19, 1046782), (22, 904039), (38, 523391), (209, 95162), (418, 47581)]