18861236

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{52981}}^1$

素因数の和:53074

約数の個数: 12

約数和(自身を含む): 33378660

約数和(自身を除く): 14517424

約数列:

[1, 2, 4, 89, 178, 356, 52981, 105962, 211924, 4715309, 9430618, 18861236]

約数ペア:

[(1, 18861236), (2, 9430618), (4, 4715309), (89, 211924), (178, 105962), (356, 52981)]