18489968

素因数分解:

$2^4\times 7^1\times {\mathrm{165089}}^1$

素因数の和:165104

約数の個数: 20

約数和(自身を含む): 40942320

約数和(自身を除く): 22452352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 165089, 330178, 660356, 1155623, 1320712, 2311246, 2641424, 4622492, 9244984, 18489968]

約数ペア:

[(1, 18489968), (2, 9244984), (4, 4622492), (7, 2641424), (8, 2311246), (14, 1320712), (16, 1155623), (28, 660356), (56, 330178), (112, 165089)]