18807943

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5197}}^1$

素因数の和:5262

約数の個数: 16

約数和(自身を含む): 23952384

約数和(自身を除く): 5144441

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5197, 36379, 57167, 244259, 400169, 1709813, 2686849, 18807943]

約数ペア:

[(1, 18807943), (7, 2686849), (11, 1709813), (47, 400169), (77, 244259), (329, 57167), (517, 36379), (3619, 5197)]