18893391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30133}}^1$

素因数の和:30166

約数の個数: 16

約数和(自身を含む): 28928640

約数和(自身を除く): 10035249

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 30133, 90399, 331463, 572527, 994389, 1717581, 6297797, 18893391]

約数ペア:

[(1, 18893391), (3, 6297797), (11, 1717581), (19, 994389), (33, 572527), (57, 331463), (209, 90399), (627, 30133)]