18647797

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 22608000

約数和(自身を除く): 3960203

約数列:

[1, 7, 19, 133, 149, 941, 1043, 2831, 6587, 17879, 19817, 125153, 140209, 981463, 2663971, 18647797]

約数ペア:

[(1, 18647797), (7, 2663971), (19, 981463), (133, 140209), (149, 125153), (941, 19817), (1043, 17879), (2831, 6587)]