18925940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86027}}^1$

素因数の和:86047

約数の個数: 24

約数和(自身を含む): 43358112

約数和(自身を除く): 24432172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86027, 172054, 344108, 430135, 860270, 946297, 1720540, 1892594, 3785188, 4731485, 9462970, 18925940]

約数ペア:

[(1, 18925940), (2, 9462970), (4, 4731485), (5, 3785188), (10, 1892594), (11, 1720540), (20, 946297), (22, 860270), (44, 430135), (55, 344108), (110, 172054), (220, 86027)]