18211274

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{577}}^1$

素因数の和:989

約数の個数: 16

約数和(自身を含む): 28076928

約数和(自身を除く): 9865654

約数列:

[1, 2, 43, 86, 367, 577, 734, 1154, 15781, 24811, 31562, 49622, 211759, 423518, 9105637, 18211274]

約数ペア:

[(1, 18211274), (2, 9105637), (43, 423518), (86, 211759), (367, 49622), (577, 31562), (734, 24811), (1154, 15781)]