19616900

素因数分解:

$2^2\times 5^2\times {\mathrm{196169}}^1$

素因数の和:196183

約数の個数: 18

約数和(自身を含む): 42568890

約数和(自身を除く): 22951990

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 196169, 392338, 784676, 980845, 1961690, 3923380, 4904225, 9808450, 19616900]

約数ペア:

[(1, 19616900), (2, 9808450), (4, 4904225), (5, 3923380), (10, 1961690), (20, 980845), (25, 784676), (50, 392338), (100, 196169)]