19145178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{81817}}^1$

素因数の和:81838

約数の個数: 24

約数和(自身を含む): 44672628

約数和(自身を除く): 25527450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 81817, 163634, 245451, 490902, 736353, 1063621, 1472706, 2127242, 3190863, 6381726, 9572589, 19145178]

約数ペア:

[(1, 19145178), (2, 9572589), (3, 6381726), (6, 3190863), (9, 2127242), (13, 1472706), (18, 1063621), (26, 736353), (39, 490902), (78, 245451), (117, 163634), (234, 81817)]