18912993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{33713}}^1$

素因数の和:33744

約数の個数: 16

約数和(自身を含む): 29128896

約数和(自身を除く): 10215903

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 33713, 101139, 370843, 573121, 1112529, 1719363, 6304331, 18912993]

約数ペア:

[(1, 18912993), (3, 6304331), (11, 1719363), (17, 1112529), (33, 573121), (51, 370843), (187, 101139), (561, 33713)]