19419412

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 15507788

約数列:

[1, 2, 4, 53, 106, 139, 212, 278, 556, 659, 1318, 2636, 7367, 14734, 29468, 34927, 69854, 91601, 139708, 183202, 366404, 4854853, 9709706, 19419412]

約数ペア:

[(1, 19419412), (2, 9709706), (4, 4854853), (53, 366404), (106, 183202), (139, 139708), (212, 91601), (278, 69854), (556, 34927), (659, 29468), (1318, 14734), (2636, 7367)]