18727386

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{43961}}^1$

素因数の和:44037

約数の個数: 16

約数和(自身を含む): 37983168

約数和(自身を除く): 19255782

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 43961, 87922, 131883, 263766, 3121231, 6242462, 9363693, 18727386]

約数ペア:

[(1, 18727386), (2, 9363693), (3, 6242462), (6, 3121231), (71, 263766), (142, 131883), (213, 87922), (426, 43961)]