19854003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11839}}^1$

素因数の和:11898

約数の個数: 16

約数和(自身を含む): 29173760

約数和(自身を除く): 9319757

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11839, 35517, 153907, 461721, 509077, 1527231, 6618001, 19854003]

約数ペア:

[(1, 19854003), (3, 6618001), (13, 1527231), (39, 509077), (43, 461721), (129, 153907), (559, 35517), (1677, 11839)]