18824307

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2521}}^1$

素因数の和:2674

約数の個数: 16

約数和(自身を含む): 26632320

約数和(自身を除く): 7808013

約数列:

[1, 3, 19, 57, 131, 393, 2489, 2521, 7467, 7563, 47899, 143697, 330251, 990753, 6274769, 18824307]

約数ペア:

[(1, 18824307), (3, 6274769), (19, 990753), (57, 330251), (131, 143697), (393, 47899), (2489, 7563), (2521, 7467)]