19702364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{2273}}^1$

素因数の和:2485

約数の個数: 24

約数和(自身を含む): 37821168

約数和(自身を除く): 18118804

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 2273, 4334, 4546, 8668, 9092, 25003, 50006, 100012, 447781, 895562, 1791124, 4925591, 9851182, 19702364]

約数ペア:

[(1, 19702364), (2, 9851182), (4, 4925591), (11, 1791124), (22, 895562), (44, 447781), (197, 100012), (394, 50006), (788, 25003), (2167, 9092), (2273, 8668), (4334, 4546)]