18291483

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1459}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 30368000

約数和(自身を除く): 12076517

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1459, 1791, 4179, 4377, 10213, 12537, 13131, 30639, 91917, 290341, 871023, 2032387, 2613069, 6097161, 18291483]

約数ペア:

[(1, 18291483), (3, 6097161), (7, 2613069), (9, 2032387), (21, 871023), (63, 290341), (199, 91917), (597, 30639), (1393, 13131), (1459, 12537), (1791, 10213), (4179, 4377)]