1900211071

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{90019}}^1$

素因数の和:90150

約数の個数: 16

約数和(自身を含む): 2203689600

約数和(自身を除く): 303478529

約数列:

[1, 11, 19, 101, 209, 1111, 1919, 21109, 90019, 990209, 1710361, 9091919, 18813971, 100011109, 172746461, 1900211071]

約数ペア:

[(1, 1900211071), (11, 172746461), (19, 100011109), (101, 18813971), (209, 9091919), (1111, 1710361), (1919, 990209), (21109, 90019)]