19313900

素因数分解:

$2^2\times 5^2\times {\mathrm{193139}}^1$

素因数の和:193153

約数の個数: 18

約数和(自身を含む): 41911380

約数和(自身を除く): 22597480

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193139, 386278, 772556, 965695, 1931390, 3862780, 4828475, 9656950, 19313900]

約数ペア:

[(1, 19313900), (2, 9656950), (4, 4828475), (5, 3862780), (10, 1931390), (20, 965695), (25, 772556), (50, 386278), (100, 193139)]