18799270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 38854656

約数和(自身を除く): 20055386

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 991, 1355, 1897, 1982, 2710, 3794, 4955, 6937, 9485, 9910, 13874, 18970, 34685, 69370, 268561, 537122, 1342805, 1879927, 2685610, 3759854, 9399635, 18799270]

約数ペア:

[(1, 18799270), (2, 9399635), (5, 3759854), (7, 2685610), (10, 1879927), (14, 1342805), (35, 537122), (70, 268561), (271, 69370), (542, 34685), (991, 18970), (1355, 13874), (1897, 9910), (1982, 9485), (2710, 6937), (3794, 4955)]