19709039

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 23171136

約数和(自身を除く): 3462097

約数列:

[1, 7, 61, 101, 427, 457, 707, 3199, 6161, 27877, 43127, 46157, 195139, 323099, 2815577, 19709039]

約数ペア:

[(1, 19709039), (7, 2815577), (61, 323099), (101, 195139), (427, 46157), (457, 43127), (707, 27877), (3199, 6161)]