18253881

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 27733056

約数和(自身を除く): 9479175

約数列:

[1, 3, 9, 23, 69, 163, 207, 489, 541, 1467, 1623, 3749, 4869, 11247, 12443, 33741, 37329, 88183, 111987, 264549, 793647, 2028209, 6084627, 18253881]

約数ペア:

[(1, 18253881), (3, 6084627), (9, 2028209), (23, 793647), (69, 264549), (163, 111987), (207, 88183), (489, 37329), (541, 33741), (1467, 12443), (1623, 11247), (3749, 4869)]