18688926

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{135427}}^1$

素因数の和:135455

約数の個数: 16

約数和(自身を含む): 39003264

約数和(自身を除く): 20314338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 135427, 270854, 406281, 812562, 3114821, 6229642, 9344463, 18688926]

約数ペア:

[(1, 18688926), (2, 9344463), (3, 6229642), (6, 3114821), (23, 812562), (46, 406281), (69, 270854), (138, 135427)]