18958214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1693}}^1$

素因数の和:2215

約数の個数: 16

約数和(自身を含む): 31101840

約数和(自身を除く): 12143626

約数列:

[1, 2, 11, 22, 509, 1018, 1693, 3386, 5599, 11198, 18623, 37246, 861737, 1723474, 9479107, 18958214]

約数ペア:

[(1, 18958214), (2, 9479107), (11, 1723474), (22, 861737), (509, 37246), (1018, 18623), (1693, 11198), (3386, 5599)]