18381438

素因数分解:

$2^1\times 3^3\times {\mathrm{340397}}^1$

素因数の和:340408

約数の個数: 16

約数和(自身を含む): 40847760

約数和(自身を除く): 22466322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 340397, 680794, 1021191, 2042382, 3063573, 6127146, 9190719, 18381438]

約数ペア:

[(1, 18381438), (2, 9190719), (3, 6127146), (6, 3063573), (9, 2042382), (18, 1021191), (27, 680794), (54, 340397)]