18823427

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 22161600

約数和(自身を除く): 3338173

約数列:

[1, 7, 53, 113, 371, 449, 791, 3143, 5989, 23797, 41923, 50737, 166579, 355159, 2689061, 18823427]

約数ペア:

[(1, 18823427), (7, 2689061), (53, 355159), (113, 166579), (371, 50737), (449, 41923), (791, 23797), (3143, 5989)]