18557727

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5431}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 26595072

約数和(自身を除く): 8037345

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5431, 16293, 92327, 276981, 363877, 1091631, 6185909, 18557727]

約数ペア:

[(1, 18557727), (3, 6185909), (17, 1091631), (51, 363877), (67, 276981), (201, 92327), (1139, 16293), (3417, 5431)]