18935888

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{6841}}^1$

素因数の和:7022

約数の個数: 20

約数和(自身を含む): 36905748

約数和(自身を除く): 17969860

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 6841, 13682, 27364, 54728, 109456, 1183493, 2366986, 4733972, 9467944, 18935888]

約数ペア:

[(1, 18935888), (2, 9467944), (4, 4733972), (8, 2366986), (16, 1183493), (173, 109456), (346, 54728), (692, 27364), (1384, 13682), (2768, 6841)]