19816475

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6661}}^1$

素因数の和:6695

約数の個数: 24

約数和(自身を含む): 29739168

約数和(自身を除く): 9922693

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6661, 33305, 46627, 113237, 166525, 233135, 566185, 792659, 1165675, 2830925, 3963295, 19816475]

約数ペア:

[(1, 19816475), (5, 3963295), (7, 2830925), (17, 1165675), (25, 792659), (35, 566185), (85, 233135), (119, 166525), (175, 113237), (425, 46627), (595, 33305), (2975, 6661)]