19509116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{443389}}^1$

素因数の和:443404

約数の個数: 12

約数和(自身を含む): 37244760

約数和(自身を除く): 17735644

約数列:

[1, 2, 4, 11, 22, 44, 443389, 886778, 1773556, 4877279, 9754558, 19509116]

約数ペア:

[(1, 19509116), (2, 9754558), (4, 4877279), (11, 1773556), (22, 886778), (44, 443389)]