18860690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{82003}}^1$

素因数の和:82033

約数の個数: 16

約数和(自身を含む): 35425728

約数和(自身を除く): 16565038

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 82003, 164006, 410015, 820030, 1886069, 3772138, 9430345, 18860690]

約数ペア:

[(1, 18860690), (2, 9430345), (5, 3772138), (10, 1886069), (23, 820030), (46, 410015), (115, 164006), (230, 82003)]