19955224

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28027}}^1$

素因数の和:28122

約数の個数: 16

約数和(自身を含む): 37837800

約数和(自身を除く): 17882576

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28027, 56054, 112108, 224216, 2494403, 4988806, 9977612, 19955224]

約数ペア:

[(1, 19955224), (2, 9977612), (4, 4988806), (8, 2494403), (89, 224216), (178, 112108), (356, 56054), (712, 28027)]