19335290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 39962808

約数和(自身を除く): 20627518

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 673, 845, 1105, 1346, 1690, 2210, 2873, 3365, 5746, 6730, 8749, 11441, 14365, 17498, 22882, 28730, 43745, 57205, 87490, 113737, 114410, 148733, 227474, 297466, 568685, 743665, 1137370, 1487330, 1933529, 3867058, 9667645, 19335290]

約数ペア:

[(1, 19335290), (2, 9667645), (5, 3867058), (10, 1933529), (13, 1487330), (17, 1137370), (26, 743665), (34, 568685), (65, 297466), (85, 227474), (130, 148733), (169, 114410), (170, 113737), (221, 87490), (338, 57205), (442, 43745), (673, 28730), (845, 22882), (1105, 17498), (1346, 14365), (1690, 11441), (2210, 8749), (2873, 6730), (3365, 5746)]