18253060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130379}}^1$

素因数の和:130395

約数の個数: 24

約数和(自身を含む): 43807680

約数和(自身を除く): 25554620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130379, 260758, 521516, 651895, 912653, 1303790, 1825306, 2607580, 3650612, 4563265, 9126530, 18253060]

約数ペア:

[(1, 18253060), (2, 9126530), (4, 4563265), (5, 3650612), (7, 2607580), (10, 1825306), (14, 1303790), (20, 912653), (28, 651895), (35, 521516), (70, 260758), (140, 130379)]