18489004

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{7211}}^1$

素因数の和:7856

約数の個数: 12

約数和(自身を含む): 32410728

約数和(自身を除く): 13921724

約数列:

[1, 2, 4, 641, 1282, 2564, 7211, 14422, 28844, 4622251, 9244502, 18489004]

約数ペア:

[(1, 18489004), (2, 9244502), (4, 4622251), (641, 28844), (1282, 14422), (2564, 7211)]