18739389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3371}}^1$

素因数の和:3500

約数の個数: 16

約数和(自身を含む): 26706240

約数和(自身を除く): 7966851

約数列:

[1, 3, 17, 51, 109, 327, 1853, 3371, 5559, 10113, 57307, 171921, 367439, 1102317, 6246463, 18739389]

約数ペア:

[(1, 18739389), (3, 6246463), (17, 1102317), (51, 367439), (109, 171921), (327, 57307), (1853, 10113), (3371, 5559)]