19712706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252727}}^1$

素因数の和:252745

約数の個数: 16

約数和(自身を含む): 42458304

約数和(自身を除く): 22745598

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252727, 505454, 758181, 1516362, 3285451, 6570902, 9856353, 19712706]

約数ペア:

[(1, 19712706), (2, 9856353), (3, 6570902), (6, 3285451), (13, 1516362), (26, 758181), (39, 505454), (78, 252727)]