1851580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 3980592

約数和(自身を除く): 2129012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2153, 4306, 8612, 10765, 21530, 43060, 92579, 185158, 370316, 462895, 925790, 1851580]

約数ペア:

[(1, 1851580), (2, 925790), (4, 462895), (5, 370316), (10, 185158), (20, 92579), (43, 43060), (86, 21530), (172, 10765), (215, 8612), (430, 4306), (860, 2153)]