19785002

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{503}}^1$

素因数の和:853

約数の個数: 16

約数和(自身を含む): 30264192

約数和(自身を除く): 10479190

約数列:

[1, 2, 71, 142, 277, 503, 554, 1006, 19667, 35713, 39334, 71426, 139331, 278662, 9892501, 19785002]

約数ペア:

[(1, 19785002), (2, 9892501), (71, 278662), (142, 139331), (277, 71426), (503, 39334), (554, 35713), (1006, 19667)]