19198525

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 25444800

約数和(自身を除く): 6246275

約数列:

[1, 5, 17, 25, 85, 199, 227, 425, 995, 1135, 3383, 3859, 4975, 5675, 16915, 19295, 45173, 84575, 96475, 225865, 767941, 1129325, 3839705, 19198525]

約数ペア:

[(1, 19198525), (5, 3839705), (17, 1129325), (25, 767941), (85, 225865), (199, 96475), (227, 84575), (425, 45173), (995, 19295), (1135, 16915), (3383, 5675), (3859, 4975)]