18840190

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8929}}^1$

素因数の和:9147

約数の個数: 16

約数和(自身を含む): 34076880

約数和(自身を除く): 15236690

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 8929, 17858, 44645, 89290, 1884019, 3768038, 9420095, 18840190]

約数ペア:

[(1, 18840190), (2, 9420095), (5, 3768038), (10, 1884019), (211, 89290), (422, 44645), (1055, 17858), (2110, 8929)]