19849719

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 27205632

約数和(自身を除く): 7355913

約数列:

[1, 3, 53, 127, 159, 381, 983, 2949, 6731, 20193, 52099, 124841, 156297, 374523, 6616573, 19849719]

約数ペア:

[(1, 19849719), (3, 6616573), (53, 374523), (127, 156297), (159, 124841), (381, 52099), (983, 20193), (2949, 6731)]