19415275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4153}}^1$

素因数の和:4191

約数の個数: 24

約数和(自身を含む): 27815184

約数和(自身を除く): 8399909

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4153, 4675, 20765, 45683, 70601, 103825, 228415, 353005, 776611, 1142075, 1765025, 3883055, 19415275]

約数ペア:

[(1, 19415275), (5, 3883055), (11, 1765025), (17, 1142075), (25, 776611), (55, 353005), (85, 228415), (187, 103825), (275, 70601), (425, 45683), (935, 20765), (4153, 4675)]