18996025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 24633344

約数和(自身を除く): 5637319

約数列:

[1, 5, 25, 31, 127, 155, 193, 635, 775, 965, 3175, 3937, 4825, 5983, 19685, 24511, 29915, 98425, 122555, 149575, 612775, 759841, 3799205, 18996025]

約数ペア:

[(1, 18996025), (5, 3799205), (25, 759841), (31, 612775), (127, 149575), (155, 122555), (193, 98425), (635, 29915), (775, 24511), (965, 19685), (3175, 5983), (3937, 4825)]