18791283

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{10781}}^1$

素因数の和:10874

約数の個数: 16

約数和(自身を含む): 28982016

約数和(自身を除く): 10190733

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 10781, 32343, 75467, 226401, 894823, 2684469, 6263761, 18791283]

約数ペア:

[(1, 18791283), (3, 6263761), (7, 2684469), (21, 894823), (83, 226401), (249, 75467), (581, 32343), (1743, 10781)]