19740492

素因数分解:

$2^2\times 3^2\times {\mathrm{548347}}^1$

素因数の和:548357

約数の個数: 18

約数和(自身を含む): 49899668

約数和(自身を除く): 30159176

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 548347, 1096694, 1645041, 2193388, 3290082, 4935123, 6580164, 9870246, 19740492]

約数ペア:

[(1, 19740492), (2, 9870246), (3, 6580164), (4, 4935123), (6, 3290082), (9, 2193388), (12, 1645041), (18, 1096694), (36, 548347)]