19884136

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19571}}^1$

素因数の和:19704

約数の個数: 16

約数和(自身を含む): 37578240

約数和(自身を除く): 17694104

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19571, 39142, 78284, 156568, 2485517, 4971034, 9942068, 19884136]

約数ペア:

[(1, 19884136), (2, 9942068), (4, 4971034), (8, 2485517), (127, 156568), (254, 78284), (508, 39142), (1016, 19571)]