18888243

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{5557}}^1$

素因数の和:5674

約数の個数: 16

約数和(自身を含む): 27745536

約数和(自身を除く): 8857293

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 5557, 16671, 61127, 183381, 572371, 1717113, 6296081, 18888243]

約数ペア:

[(1, 18888243), (3, 6296081), (11, 1717113), (33, 572371), (103, 183381), (309, 61127), (1133, 16671), (3399, 5557)]