18207860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82763}}^1$

素因数の和:82783

約数の個数: 24

約数和(自身を含む): 41713056

約数和(自身を除く): 23505196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82763, 165526, 331052, 413815, 827630, 910393, 1655260, 1820786, 3641572, 4551965, 9103930, 18207860]

約数ペア:

[(1, 18207860), (2, 9103930), (4, 4551965), (5, 3641572), (10, 1820786), (11, 1655260), (20, 910393), (22, 827630), (44, 413815), (55, 331052), (110, 165526), (220, 82763)]