19021525

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 24373440

約数和(自身を除く): 5351915

約数列:

[1, 5, 25, 83, 89, 103, 415, 445, 515, 2075, 2225, 2575, 7387, 8549, 9167, 36935, 42745, 45835, 184675, 213725, 229175, 760861, 3804305, 19021525]

約数ペア:

[(1, 19021525), (5, 3804305), (25, 760861), (83, 229175), (89, 213725), (103, 184675), (415, 45835), (445, 42745), (515, 36935), (2075, 9167), (2225, 8549), (2575, 7387)]