18893900

素因数分解:

$2^2\times 5^2\times {\mathrm{188939}}^1$

素因数の和:188953

約数の個数: 18

約数和(自身を含む): 40999980

約数和(自身を除く): 22106080

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 188939, 377878, 755756, 944695, 1889390, 3778780, 4723475, 9446950, 18893900]

約数ペア:

[(1, 18893900), (2, 9446950), (4, 4723475), (5, 3778780), (10, 1889390), (20, 944695), (25, 755756), (50, 377878), (100, 188939)]