19512788

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{541}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 34965504

約数和(自身を除く): 15452716

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 541, 1082, 2164, 9017, 18034, 36068, 38411, 68707, 76822, 137414, 153644, 274828, 4878197, 9756394, 19512788]

約数ペア:

[(1, 19512788), (2, 9756394), (4, 4878197), (71, 274828), (127, 153644), (142, 137414), (254, 76822), (284, 68707), (508, 38411), (541, 36068), (1082, 18034), (2164, 9017)]