18086918

素因数分解:

$2^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:228

約数の個数: 24

約数和(自身を含む): 28576728

約数和(自身を除く): 10489810

約数列:

[1, 2, 43, 67, 73, 86, 134, 146, 1849, 2881, 3139, 3698, 4891, 5762, 6278, 9782, 123883, 134977, 210313, 247766, 269954, 420626, 9043459, 18086918]

約数ペア:

[(1, 18086918), (2, 9043459), (43, 420626), (67, 269954), (73, 247766), (86, 210313), (134, 134977), (146, 123883), (1849, 9782), (2881, 6278), (3139, 5762), (3698, 4891)]