18427730

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17891}}^1$

素因数の和:18001

約数の個数: 16

約数和(自身を含む): 33493824

約数和(自身を除く): 15066094

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 17891, 35782, 89455, 178910, 1842773, 3685546, 9213865, 18427730]

約数ペア:

[(1, 18427730), (2, 9213865), (5, 3685546), (10, 1842773), (103, 178910), (206, 89455), (515, 35782), (1030, 17891)]