1948900

素因数分解:

$2^2\times 5^2\times {\mathrm{19489}}^1$

素因数の和:19503

約数の個数: 18

約数和(自身を含む): 4229330

約数和(自身を除く): 2280430

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 19489, 38978, 77956, 97445, 194890, 389780, 487225, 974450, 1948900]

約数ペア:

[(1, 1948900), (2, 974450), (4, 487225), (5, 389780), (10, 194890), (20, 97445), (25, 77956), (50, 38978), (100, 19489)]