1898641010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{27123443}}^1$

素因数の和:27123457

約数の個数: 16

約数和(自身を含む): 3905775936

約数和(自身を除く): 2007134926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 27123443, 54246886, 135617215, 189864101, 271234430, 379728202, 949320505, 1898641010]

約数ペア:

[(1, 1898641010), (2, 949320505), (5, 379728202), (7, 271234430), (10, 189864101), (14, 135617215), (35, 54246886), (70, 27123443)]