19936144

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2237}}^1$

素因数の和:2802

約数の個数: 20

約数和(自身を含む): 38712924

約数和(自身を除く): 18776780

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2237, 4456, 4474, 8912, 8948, 17896, 35792, 1246009, 2492018, 4984036, 9968072, 19936144]

約数ペア:

[(1, 19936144), (2, 9968072), (4, 4984036), (8, 2492018), (16, 1246009), (557, 35792), (1114, 17896), (2228, 8948), (2237, 8912), (4456, 4474)]