19449575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 25258800

約数和(自身を除く): 5809225

約数列:

[1, 5, 25, 29, 139, 145, 193, 695, 725, 965, 3475, 4031, 4825, 5597, 20155, 26827, 27985, 100775, 134135, 139925, 670675, 777983, 3889915, 19449575]

約数ペア:

[(1, 19449575), (5, 3889915), (25, 777983), (29, 670675), (139, 139925), (145, 134135), (193, 100775), (695, 27985), (725, 26827), (965, 20155), (3475, 5597), (4031, 4825)]