18887289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1861}}^1$

素因数の和:2080

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 7925511

約数列:

[1, 3, 17, 51, 199, 597, 1861, 3383, 5583, 10149, 31637, 94911, 370339, 1111017, 6295763, 18887289]

約数ペア:

[(1, 18887289), (3, 6295763), (17, 1111017), (51, 370339), (199, 94911), (597, 31637), (1861, 10149), (3383, 5583)]