19885369

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{359}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 23466240

約数和(自身を除く): 3580871

約数列:

[1, 7, 41, 193, 287, 359, 1351, 2513, 7913, 14719, 55391, 69287, 103033, 485009, 2840767, 19885369]

約数ペア:

[(1, 19885369), (7, 2840767), (41, 485009), (193, 103033), (287, 69287), (359, 55391), (1351, 14719), (2513, 7913)]