18172784

素因数分解:

$2^4\times 7^1\times {\mathrm{162257}}^1$

素因数の和:162272

約数の個数: 20

約数和(自身を含む): 40239984

約数和(自身を除く): 22067200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 162257, 324514, 649028, 1135799, 1298056, 2271598, 2596112, 4543196, 9086392, 18172784]

約数ペア:

[(1, 18172784), (2, 9086392), (4, 4543196), (7, 2596112), (8, 2271598), (14, 1298056), (16, 1135799), (28, 649028), (56, 324514), (112, 162257)]