20186018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1109}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 31968000

約数和(自身を除く): 11781982

約数列:

[1, 2, 19, 38, 479, 958, 1109, 2218, 9101, 18202, 21071, 42142, 531211, 1062422, 10093009, 20186018]

約数ペア:

[(1, 20186018), (2, 10093009), (19, 1062422), (38, 531211), (479, 42142), (958, 21071), (1109, 18202), (2218, 9101)]