19990060

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5233}}^1$

素因数の和:5433

約数の個数: 24

約数和(自身を含む): 42206976

約数和(自身を除く): 22216916

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5233, 10466, 20932, 26165, 52330, 104660, 999503, 1999006, 3998012, 4997515, 9995030, 19990060]

約数ペア:

[(1, 19990060), (2, 9995030), (4, 4997515), (5, 3998012), (10, 1999006), (20, 999503), (191, 104660), (382, 52330), (764, 26165), (955, 20932), (1910, 10466), (3820, 5233)]