19561010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{279443}}^1$

素因数の和:279457

約数の個数: 16

約数和(自身を含む): 40239936

約数和(自身を除く): 20678926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 279443, 558886, 1397215, 1956101, 2794430, 3912202, 9780505, 19561010]

約数ペア:

[(1, 19561010), (2, 9780505), (5, 3912202), (7, 2794430), (10, 1956101), (14, 1397215), (35, 558886), (70, 279443)]