18428396

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6151}}^1$

素因数の和:6269

約数の個数: 24

約数和(自身を含む): 37207296

約数和(自身を除く): 18778900

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6151, 12302, 24604, 43057, 86114, 172228, 658157, 1316314, 2632628, 4607099, 9214198, 18428396]

約数ペア:

[(1, 18428396), (2, 9214198), (4, 4607099), (7, 2632628), (14, 1316314), (28, 658157), (107, 172228), (214, 86114), (428, 43057), (749, 24604), (1498, 12302), (2996, 6151)]