18814708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3923}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 36257760

約数和(自身を除く): 17443052

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 3923, 4796, 7846, 15692, 43153, 86306, 172612, 427607, 855214, 1710428, 4703677, 9407354, 18814708]

約数ペア:

[(1, 18814708), (2, 9407354), (4, 4703677), (11, 1710428), (22, 855214), (44, 427607), (109, 172612), (218, 86306), (436, 43153), (1199, 15692), (2398, 7846), (3923, 4796)]