19489225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6551}}^1$

素因数の和:6585

約数の個数: 24

約数和(自身を含む): 29248128

約数和(自身を除く): 9758903

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 6551, 32755, 45857, 111367, 163775, 229285, 556835, 779569, 1146425, 2784175, 3897845, 19489225]

約数ペア:

[(1, 19489225), (5, 3897845), (7, 2784175), (17, 1146425), (25, 779569), (35, 556835), (85, 229285), (119, 163775), (175, 111367), (425, 45857), (595, 32755), (2975, 6551)]