18328113

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{641}}^1$

素因数の和:1006

約数の個数: 20

約数和(自身を含む): 27499428

約数和(自身を除く): 9171315

約数列:

[1, 3, 9, 27, 81, 353, 641, 1059, 1923, 3177, 5769, 9531, 17307, 28593, 51921, 226273, 678819, 2036457, 6109371, 18328113]

約数ペア:

[(1, 18328113), (3, 6109371), (9, 2036457), (27, 678819), (81, 226273), (353, 51921), (641, 28593), (1059, 17307), (1923, 9531), (3177, 5769)]