19858418

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2797

約数の個数: 16

約数和(自身を含む): 30907224

約数和(自身を除く): 11048806

約数列:

[1, 2, 37, 74, 101, 202, 2657, 3737, 5314, 7474, 98309, 196618, 268357, 536714, 9929209, 19858418]

約数ペア:

[(1, 19858418), (2, 9929209), (37, 536714), (74, 268357), (101, 196618), (202, 98309), (2657, 7474), (3737, 5314)]