19568211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1999}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 28224000

約数和(自身を除く): 8655789

約数列:

[1, 3, 13, 39, 251, 753, 1999, 3263, 5997, 9789, 25987, 77961, 501749, 1505247, 6522737, 19568211]

約数ペア:

[(1, 19568211), (3, 6522737), (13, 1505247), (39, 501749), (251, 77961), (753, 25987), (1999, 9789), (3263, 5997)]