18830609

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{811}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 3619567

約数列:

[1, 7, 31, 107, 217, 749, 811, 3317, 5677, 23219, 25141, 86777, 175987, 607439, 2690087, 18830609]

約数ペア:

[(1, 18830609), (7, 2690087), (31, 607439), (107, 175987), (217, 86777), (749, 25141), (811, 23219), (3317, 5677)]