19852675

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 25779600

約数和(自身を除く): 5926925

約数列:

[1, 5, 25, 29, 139, 145, 197, 695, 725, 985, 3475, 4031, 4925, 5713, 20155, 27383, 28565, 100775, 136915, 142825, 684575, 794107, 3970535, 19852675]

約数ペア:

[(1, 19852675), (5, 3970535), (25, 794107), (29, 684575), (139, 142825), (145, 136915), (197, 100775), (695, 28565), (725, 27383), (985, 20155), (3475, 5713), (4031, 4925)]