19191725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6451}}^1$

素因数の和:6485

約数の個数: 24

約数和(自身を含む): 28801728

約数和(自身を除く): 9610003

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6451, 32255, 45157, 109667, 161275, 225785, 548335, 767669, 1128925, 2741675, 3838345, 19191725]

約数ペア:

[(1, 19191725), (5, 3838345), (7, 2741675), (17, 1128925), (25, 767669), (35, 548335), (85, 225785), (119, 161275), (175, 109667), (425, 45157), (595, 32255), (2975, 6451)]