31110220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81869}}^1$

素因数の和:81897

約数の個数: 24

約数和(自身を含む): 68770800

約数和(自身を除く): 37660580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81869, 163738, 327476, 409345, 818690, 1555511, 1637380, 3111022, 6222044, 7777555, 15555110, 31110220]

約数ペア:

[(1, 31110220), (2, 15555110), (4, 7777555), (5, 6222044), (10, 3111022), (19, 1637380), (20, 1555511), (38, 818690), (76, 409345), (95, 327476), (190, 163738), (380, 81869)]