18316816

素因数分解:

$2^4\times 7^1\times {\mathrm{163543}}^1$

素因数の和:163558

約数の個数: 20

約数和(自身を含む): 40558912

約数和(自身を除く): 22242096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163543, 327086, 654172, 1144801, 1308344, 2289602, 2616688, 4579204, 9158408, 18316816]

約数ペア:

[(1, 18316816), (2, 9158408), (4, 4579204), (7, 2616688), (8, 2289602), (14, 1308344), (16, 1144801), (28, 654172), (56, 327086), (112, 163543)]