18206180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47911}}^1$

素因数の和:47939

約数の個数: 24

約数和(自身を含む): 40246080

約数和(自身を除く): 22039900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47911, 95822, 191644, 239555, 479110, 910309, 958220, 1820618, 3641236, 4551545, 9103090, 18206180]

約数ペア:

[(1, 18206180), (2, 9103090), (4, 4551545), (5, 3641236), (10, 1820618), (19, 958220), (20, 910309), (38, 479110), (76, 239555), (95, 191644), (190, 95822), (380, 47911)]