18208893

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1619}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 25505280

約数和(自身を除く): 7296387

約数列:

[1, 3, 23, 69, 163, 489, 1619, 3749, 4857, 11247, 37237, 111711, 263897, 791691, 6069631, 18208893]

約数ペア:

[(1, 18208893), (3, 6069631), (23, 791691), (69, 263897), (163, 111711), (489, 37237), (1619, 11247), (3749, 4857)]