18237753

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 28080000

約数和(自身を除く): 9842247

約数列:

[1, 3, 9, 17, 51, 153, 199, 597, 599, 1791, 1797, 3383, 5391, 10149, 10183, 30447, 30549, 91647, 119201, 357603, 1072809, 2026417, 6079251, 18237753]

約数ペア:

[(1, 18237753), (3, 6079251), (9, 2026417), (17, 1072809), (51, 357603), (153, 119201), (199, 91647), (597, 30549), (599, 30447), (1791, 10183), (1797, 10149), (3383, 5391)]