18243295

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{30661}}^1$

素因数の和:30690

約数の個数: 16

約数和(自身を含む): 26491968

約数和(自身を除く): 8248673

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 30661, 153305, 214627, 521237, 1073135, 2606185, 3648659, 18243295]

約数ペア:

[(1, 18243295), (5, 3648659), (7, 2606185), (17, 1073135), (35, 521237), (85, 214627), (119, 153305), (595, 30661)]