18714549

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5981}}^1$

素因数の和:6140

約数の個数: 16

約数和(自身を含む): 28713600

約数和(自身を除く): 9999051

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 5981, 17943, 41867, 125601, 891169, 2673507, 6238183, 18714549]

約数ペア:

[(1, 18714549), (3, 6238183), (7, 2673507), (21, 891169), (149, 125601), (447, 41867), (1043, 17943), (3129, 5981)]