18740166

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{43991}}^1$

素因数の和:44067

約数の個数: 16

約数和(自身を含む): 38009088

約数和(自身を除く): 19268922

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 43991, 87982, 131973, 263946, 3123361, 6246722, 9370083, 18740166]

約数ペア:

[(1, 18740166), (2, 9370083), (3, 6246722), (6, 3123361), (71, 263946), (142, 131973), (213, 87982), (426, 43991)]