18458181

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10103}}^1$

素因数の和:10145

約数の個数: 24

約数和(自身を含む): 31524480

約数和(自身を除く): 13066299

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10103, 30309, 70721, 90927, 212163, 292987, 636489, 878961, 2050909, 2636883, 6152727, 18458181]

約数ペア:

[(1, 18458181), (3, 6152727), (7, 2636883), (9, 2050909), (21, 878961), (29, 636489), (63, 292987), (87, 212163), (203, 90927), (261, 70721), (609, 30309), (1827, 10103)]