19397287

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 24986976

約数和(自身を除く): 5589689

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 823, 1813, 3367, 5761, 10699, 23569, 30451, 40327, 74893, 213157, 395863, 524251, 1492099, 2771041, 19397287]

約数ペア:

[(1, 19397287), (7, 2771041), (13, 1492099), (37, 524251), (49, 395863), (91, 213157), (259, 74893), (481, 40327), (637, 30451), (823, 23569), (1813, 10699), (3367, 5761)]