19118900

素因数分解:

$2^2\times 5^2\times {\mathrm{191189}}^1$

素因数の和:191203

約数の個数: 18

約数和(自身を含む): 41488230

約数和(自身を除く): 22369330

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191189, 382378, 764756, 955945, 1911890, 3823780, 4779725, 9559450, 19118900]

約数ペア:

[(1, 19118900), (2, 9559450), (4, 4779725), (5, 3823780), (10, 1911890), (20, 955945), (25, 764756), (50, 382378), (100, 191189)]