18748820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49339}}^1$

素因数の和:49367

約数の個数: 24

約数和(自身を含む): 41445600

約数和(自身を除く): 22696780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49339, 98678, 197356, 246695, 493390, 937441, 986780, 1874882, 3749764, 4687205, 9374410, 18748820]

約数ペア:

[(1, 18748820), (2, 9374410), (4, 4687205), (5, 3749764), (10, 1874882), (19, 986780), (20, 937441), (38, 493390), (76, 246695), (95, 197356), (190, 98678), (380, 49339)]