19555812

素因数分解:

$2^2\times 3^2\times {\mathrm{543217}}^1$

素因数の和:543227

約数の個数: 18

約数和(自身を含む): 49432838

約数和(自身を除く): 29877026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 543217, 1086434, 1629651, 2172868, 3259302, 4888953, 6518604, 9777906, 19555812]

約数ペア:

[(1, 19555812), (2, 9777906), (3, 6518604), (4, 4888953), (6, 3259302), (9, 2172868), (12, 1629651), (18, 1086434), (36, 543217)]