16980172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{35083}}^1$

素因数の和:35109

約数の個数: 18

約数和(自身を含む): 32663204

約数和(自身を除く): 15683032

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 35083, 70166, 140332, 385913, 771826, 1543652, 4245043, 8490086, 16980172]

約数ペア:

[(1, 16980172), (2, 8490086), (4, 4245043), (11, 1543652), (22, 771826), (44, 385913), (121, 140332), (242, 70166), (484, 35083)]