19318670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{275981}}^1$

素因数の和:275995

約数の個数: 16

約数和(自身を含む): 39741408

約数和(自身を除く): 20422738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 275981, 551962, 1379905, 1931867, 2759810, 3863734, 9659335, 19318670]

約数ペア:

[(1, 19318670), (2, 9659335), (5, 3863734), (7, 2759810), (10, 1931867), (14, 1379905), (35, 551962), (70, 275981)]