18394426

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:789

約数の個数: 16

約数和(自身を含む): 28062720

約数和(自身を除く): 9668294

約数列:

[1, 2, 127, 139, 254, 278, 521, 1042, 17653, 35306, 66167, 72419, 132334, 144838, 9197213, 18394426]

約数ペア:

[(1, 18394426), (2, 9197213), (127, 144838), (139, 132334), (254, 72419), (278, 66167), (521, 35306), (1042, 17653)]