18840008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{214091}}^1$

素因数の和:214108

約数の個数: 16

約数和(自身を含む): 38536560

約数和(自身を除く): 19696552

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 214091, 428182, 856364, 1712728, 2355001, 4710002, 9420004, 18840008]

約数ペア:

[(1, 18840008), (2, 9420004), (4, 4710002), (8, 2355001), (11, 1712728), (22, 856364), (44, 428182), (88, 214091)]