18320139

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 27237600

約数和(自身を除く): 8917461

約数列:

[1, 3, 9, 53, 159, 193, 199, 477, 579, 597, 1737, 1791, 10229, 10547, 30687, 31641, 38407, 92061, 94923, 115221, 345663, 2035571, 6106713, 18320139]

約数ペア:

[(1, 18320139), (3, 6106713), (9, 2035571), (53, 345663), (159, 115221), (193, 94923), (199, 92061), (477, 38407), (579, 31641), (597, 30687), (1737, 10547), (1791, 10229)]