18325559

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6131}}^1$

素因数の和:6206

約数の個数: 12

約数和(自身を含む): 21670488

約数和(自身を除く): 3344929

約数列:

[1, 7, 49, 61, 427, 2989, 6131, 42917, 300419, 373991, 2617937, 18325559]

約数ペア:

[(1, 18325559), (7, 2617937), (49, 373991), (61, 300419), (427, 42917), (2989, 6131)]