2019794380

素因数分解:

$2^2\times 5^1\times {\mathrm{11863}}^1\times {\mathrm{8513}}^1$

素因数の和:20385

約数の個数: 24

約数和(自身を含む): 4242424032

約数和(自身を除く): 2222629652

約数列:

[1, 2, 4, 5, 10, 20, 8513, 11863, 17026, 23726, 34052, 42565, 47452, 59315, 85130, 118630, 170260, 237260, 100989719, 201979438, 403958876, 504948595, 1009897190, 2019794380]

約数ペア:

[(1, 2019794380), (2, 1009897190), (4, 504948595), (5, 403958876), (10, 201979438), (20, 100989719), (8513, 237260), (11863, 170260), (17026, 118630), (23726, 85130), (34052, 59315), (42565, 47452)]