19757868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{126653}}^1$

素因数の和:126673

約数の個数: 24

約数和(自身を含む): 49648368

約数和(自身を除く): 29890500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 126653, 253306, 379959, 506612, 759918, 1519836, 1646489, 3292978, 4939467, 6585956, 9878934, 19757868]

約数ペア:

[(1, 19757868), (2, 9878934), (3, 6585956), (4, 4939467), (6, 3292978), (12, 1646489), (13, 1519836), (26, 759918), (39, 506612), (52, 379959), (78, 253306), (156, 126653)]