19115427878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{917159}}^1$

素因数の和:917791

約数の個数: 16

約数和(自身を含む): 30409356960

約数和(自身を除く): 11293929082

約数列:

[1, 2, 17, 34, 613, 1226, 10421, 20842, 917159, 1834318, 15591703, 31183406, 562218467, 1124436934, 9557713939, 19115427878]

約数ペア:

[(1, 19115427878), (2, 9557713939), (17, 1124436934), (34, 562218467), (613, 31183406), (1226, 15591703), (10421, 1834318), (20842, 917159)]