19129900

素因数分解:

$2^2\times 5^2\times {\mathrm{191299}}^1$

素因数の和:191313

約数の個数: 18

約数和(自身を含む): 41512100

約数和(自身を除く): 22382200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191299, 382598, 765196, 956495, 1912990, 3825980, 4782475, 9564950, 19129900]

約数ペア:

[(1, 19129900), (2, 9564950), (4, 4782475), (5, 3825980), (10, 1912990), (20, 956495), (25, 765196), (50, 382598), (100, 191299)]