18862779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1117}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 27171872

約数和(自身を除く): 8309093

約数列:

[1, 3, 13, 39, 433, 1117, 1299, 3351, 5629, 14521, 16887, 43563, 483661, 1450983, 6287593, 18862779]

約数ペア:

[(1, 18862779), (3, 6287593), (13, 1450983), (39, 483661), (433, 43563), (1117, 16887), (1299, 14521), (3351, 5629)]