19715584

素因数分解:

$2^9\times 7^1\times {\mathrm{5501}}^1$

素因数の和:5526

約数の個数: 40

約数和(自身を含む): 45028368

約数和(自身を除く): 25312784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5501, 11002, 22004, 38507, 44008, 77014, 88016, 154028, 176032, 308056, 352064, 616112, 704128, 1232224, 1408256, 2464448, 2816512, 4928896, 9857792, 19715584]

約数ペア:

[(1, 19715584), (2, 9857792), (4, 4928896), (7, 2816512), (8, 2464448), (14, 1408256), (16, 1232224), (28, 704128), (32, 616112), (56, 352064), (64, 308056), (112, 176032), (128, 154028), (224, 88016), (256, 77014), (448, 44008), (512, 38507), (896, 22004), (1792, 11002), (3584, 5501)]