18311212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{503}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 15557588

約数列:

[1, 2, 4, 19, 38, 76, 479, 503, 958, 1006, 1916, 2012, 9101, 9557, 18202, 19114, 36404, 38228, 240937, 481874, 963748, 4577803, 9155606, 18311212]

約数ペア:

[(1, 18311212), (2, 9155606), (4, 4577803), (19, 963748), (38, 481874), (76, 240937), (479, 38228), (503, 36404), (958, 19114), (1006, 18202), (1916, 9557), (2012, 9101)]