18723963

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 7000197

約数列:

[1, 3, 43, 129, 173, 519, 839, 2517, 7439, 22317, 36077, 108231, 145147, 435441, 6241321, 18723963]

約数ペア:

[(1, 18723963), (3, 6241321), (43, 435441), (129, 145147), (173, 108231), (519, 36077), (839, 22317), (2517, 7439)]