18685004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359327}}^1$

素因数の和:359344

約数の個数: 12

約数和(自身を含む): 35214144

約数和(自身を除く): 16529140

約数列:

[1, 2, 4, 13, 26, 52, 359327, 718654, 1437308, 4671251, 9342502, 18685004]

約数ペア:

[(1, 18685004), (2, 9342502), (4, 4671251), (13, 1437308), (26, 718654), (52, 359327)]