19800676

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3907}}^1$

素因数の和:4099

約数の個数: 24

約数和(自身を含む): 39830336

約数和(自身を除く): 20029660

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 3907, 5068, 7814, 15628, 27349, 54698, 109396, 707167, 1414334, 2828668, 4950169, 9900338, 19800676]

約数ペア:

[(1, 19800676), (2, 9900338), (4, 4950169), (7, 2828668), (14, 1414334), (28, 707167), (181, 109396), (362, 54698), (724, 27349), (1267, 15628), (2534, 7814), (3907, 5068)]