19004980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55897}}^1$

素因数の和:55923

約数の個数: 24

約数和(自身を含む): 42258888

約数和(自身を除く): 23253908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55897, 111794, 223588, 279485, 558970, 950249, 1117940, 1900498, 3800996, 4751245, 9502490, 19004980]

約数ペア:

[(1, 19004980), (2, 9502490), (4, 4751245), (5, 3800996), (10, 1900498), (17, 1117940), (20, 950249), (34, 558970), (68, 279485), (85, 223588), (170, 111794), (340, 55897)]