19954908

素因数分解:

$2^2\times 3^2\times {\mathrm{554303}}^1$

素因数の和:554313

約数の個数: 18

約数和(自身を含む): 50441664

約数和(自身を除く): 30486756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 554303, 1108606, 1662909, 2217212, 3325818, 4988727, 6651636, 9977454, 19954908]

約数ペア:

[(1, 19954908), (2, 9977454), (3, 6651636), (4, 4988727), (6, 3325818), (9, 2217212), (12, 1662909), (18, 1108606), (36, 554303)]