18040012

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{6823}}^1$

素因数の和:7488

約数の個数: 12

約数和(自身を含む): 31622416

約数和(自身を除く): 13582404

約数列:

[1, 2, 4, 661, 1322, 2644, 6823, 13646, 27292, 4510003, 9020006, 18040012]

約数ペア:

[(1, 18040012), (2, 9020006), (4, 4510003), (661, 27292), (1322, 13646), (2644, 6823)]