19194640

素因数分解:

$2^4\times 5^1\times {\mathrm{239933}}^1$

素因数の和:239946

約数の個数: 20

約数和(自身を含む): 44627724

約数和(自身を除く): 25433084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239933, 479866, 959732, 1199665, 1919464, 2399330, 3838928, 4798660, 9597320, 19194640]

約数ペア:

[(1, 19194640), (2, 9597320), (4, 4798660), (5, 3838928), (8, 2399330), (10, 1919464), (16, 1199665), (20, 959732), (40, 479866), (80, 239933)]