12920239970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6181933}}^1$

素因数の和:6181970

約数の個数: 32

約数和(自身を含む): 26705954880

約数和(自身を除く): 13785714910

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 6181933, 12363866, 30909665, 61819330, 68001263, 117456727, 136002526, 234913454, 340006315, 587283635, 680012630, 1174567270, 1292023997, 2584047994, 6460119985, 12920239970]

約数ペア:

[(1, 12920239970), (2, 6460119985), (5, 2584047994), (10, 1292023997), (11, 1174567270), (19, 680012630), (22, 587283635), (38, 340006315), (55, 234913454), (95, 136002526), (110, 117456727), (190, 68001263), (209, 61819330), (418, 30909665), (1045, 12363866), (2090, 6181933)]