18172126

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{5431}}^1$

素因数の和:5679

約数の個数: 16

約数和(自身を含む): 31288320

約数和(自身を除く): 13116194

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 5431, 10862, 38017, 76034, 1298009, 2596018, 9086063, 18172126]

約数ペア:

[(1, 18172126), (2, 9086063), (7, 2596018), (14, 1298009), (239, 76034), (478, 38017), (1673, 10862), (3346, 5431)]