19008871

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 3489689

約数列:

[1, 7, 41, 107, 287, 619, 749, 4333, 4387, 25379, 30709, 66233, 177653, 463631, 2715553, 19008871]

約数ペア:

[(1, 19008871), (7, 2715553), (41, 463631), (107, 177653), (287, 66233), (619, 30709), (749, 25379), (4333, 4387)]