18378081

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 28304640

約数和(自身を除く): 9926559

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 1889, 3243, 5667, 9729, 17001, 43447, 88783, 130341, 266349, 391023, 799047, 2042009, 6126027, 18378081]

約数ペア:

[(1, 18378081), (3, 6126027), (9, 2042009), (23, 799047), (47, 391023), (69, 266349), (141, 130341), (207, 88783), (423, 43447), (1081, 17001), (1889, 9729), (3243, 5667)]