19205730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{213397}}^1$

素因数の和:213410

約数の個数: 24

約数和(自身を含む): 49935132

約数和(自身を除く): 30729402

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 213397, 426794, 640191, 1066985, 1280382, 1920573, 2133970, 3200955, 3841146, 6401910, 9602865, 19205730]

約数ペア:

[(1, 19205730), (2, 9602865), (3, 6401910), (5, 3841146), (6, 3200955), (9, 2133970), (10, 1920573), (15, 1280382), (18, 1066985), (30, 640191), (45, 426794), (90, 213397)]