19795525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 25891200

約数和(自身を除く): 6095675

約数列:

[1, 5, 23, 25, 115, 173, 199, 575, 865, 995, 3979, 4325, 4577, 4975, 19895, 22885, 34427, 99475, 114425, 172135, 791821, 860675, 3959105, 19795525]

約数ペア:

[(1, 19795525), (5, 3959105), (23, 860675), (25, 791821), (115, 172135), (173, 114425), (199, 99475), (575, 34427), (865, 22885), (995, 19895), (3979, 4975), (4325, 4577)]