30881954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1987}}^1$

素因数の和:2417

約数の個数: 16

約数和(自身を含む): 48904800

約数和(自身を除く): 18022846

約数列:

[1, 2, 19, 38, 409, 818, 1987, 3974, 7771, 15542, 37753, 75506, 812683, 1625366, 15440977, 30881954]

約数ペア:

[(1, 30881954), (2, 15440977), (19, 1625366), (38, 812683), (409, 75506), (818, 37753), (1987, 15542), (3974, 7771)]