19157225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 25831680

約数和(自身を除く): 6674455

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1301, 2945, 6505, 14725, 24719, 32525, 40331, 123595, 201655, 617975, 766289, 1008275, 3831445, 19157225]

約数ペア:

[(1, 19157225), (5, 3831445), (19, 1008275), (25, 766289), (31, 617975), (95, 201655), (155, 123595), (475, 40331), (589, 32525), (775, 24719), (1301, 14725), (2945, 6505)]