18211823

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{919}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 22080000

約数和(自身を除く): 3868177

約数列:

[1, 7, 19, 133, 149, 919, 1043, 2831, 6433, 17461, 19817, 122227, 136931, 958517, 2601689, 18211823]

約数ペア:

[(1, 18211823), (7, 2601689), (19, 958517), (133, 136931), (149, 122227), (919, 19817), (1043, 17461), (2831, 6433)]