19578676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5391

約数の個数: 24

約数和(自身を含む): 37425024

約数和(自身を除く): 17846348

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5303, 10606, 21212, 68939, 137878, 275756, 376513, 753026, 1506052, 4894669, 9789338, 19578676]

約数ペア:

[(1, 19578676), (2, 9789338), (4, 4894669), (13, 1506052), (26, 753026), (52, 376513), (71, 275756), (142, 137878), (284, 68939), (923, 21212), (1846, 10606), (3692, 5303)]