18642379

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 3311861

約数列:

[1, 7, 53, 109, 371, 461, 763, 3227, 5777, 24433, 40439, 50249, 171031, 351743, 2663197, 18642379]

約数ペア:

[(1, 18642379), (7, 2663197), (53, 351743), (109, 171031), (371, 50249), (461, 40439), (763, 24433), (3227, 5777)]