18293211

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1319}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9711909

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1319, 1541, 3957, 4623, 11871, 13869, 30337, 88373, 91011, 265119, 273033, 795357, 2032579, 6097737, 18293211]

約数ペア:

[(1, 18293211), (3, 6097737), (9, 2032579), (23, 795357), (67, 273033), (69, 265119), (201, 91011), (207, 88373), (603, 30337), (1319, 13869), (1541, 11871), (3957, 4623)]