19198675

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 25114464

約数和(自身を除く): 5915789

約数列:

[1, 5, 23, 25, 115, 173, 193, 575, 865, 965, 3979, 4325, 4439, 4825, 19895, 22195, 33389, 99475, 110975, 166945, 767947, 834725, 3839735, 19198675]

約数ペア:

[(1, 19198675), (5, 3839735), (23, 834725), (25, 767947), (115, 166945), (173, 110975), (193, 99475), (575, 33389), (865, 22195), (965, 19895), (3979, 4825), (4325, 4439)]