18214540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47933}}^1$

素因数の和:47961

約数の個数: 24

約数和(自身を含む): 40264560

約数和(自身を除く): 22050020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47933, 95866, 191732, 239665, 479330, 910727, 958660, 1821454, 3642908, 4553635, 9107270, 18214540]

約数ペア:

[(1, 18214540), (2, 9107270), (4, 4553635), (5, 3642908), (10, 1821454), (19, 958660), (20, 910727), (38, 479330), (76, 239665), (95, 191732), (190, 95866), (380, 47933)]