19997230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1699}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19660370

約数列:

[1, 2, 5, 10, 11, 22, 55, 107, 110, 214, 535, 1070, 1177, 1699, 2354, 3398, 5885, 8495, 11770, 16990, 18689, 37378, 93445, 181793, 186890, 363586, 908965, 1817930, 1999723, 3999446, 9998615, 19997230]

約数ペア:

[(1, 19997230), (2, 9998615), (5, 3999446), (10, 1999723), (11, 1817930), (22, 908965), (55, 363586), (107, 186890), (110, 181793), (214, 93445), (535, 37378), (1070, 18689), (1177, 16990), (1699, 11770), (2354, 8495), (3398, 5885)]