18212278

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5443}}^1$

素因数の和:5691

約数の個数: 16

約数和(自身を含む): 31357440

約数和(自身を除く): 13145162

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 5443, 10886, 38101, 76202, 1300877, 2601754, 9106139, 18212278]

約数ペア:

[(1, 18212278), (2, 9106139), (7, 2601754), (14, 1300877), (239, 76202), (478, 38101), (1673, 10886), (3346, 5443)]