18571376

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{5501}}^1$

素因数の和:5720

約数の個数: 20

約数和(自身を含む): 36159144

約数和(自身を除く): 17587768

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 5501, 11002, 22004, 44008, 88016, 1160711, 2321422, 4642844, 9285688, 18571376]

約数ペア:

[(1, 18571376), (2, 9285688), (4, 4642844), (8, 2321422), (16, 1160711), (211, 88016), (422, 44008), (844, 22004), (1688, 11002), (3376, 5501)]