18747070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81509}}^1$

素因数の和:81539

約数の個数: 16

約数和(自身を含む): 35212320

約数和(自身を除く): 16465250

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81509, 163018, 407545, 815090, 1874707, 3749414, 9373535, 18747070]

約数ペア:

[(1, 18747070), (2, 9373535), (5, 3749414), (10, 1874707), (23, 815090), (46, 407545), (115, 163018), (230, 81509)]