19804952

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{9413}}^1$

素因数の和:9682

約数の個数: 16

約数和(自身を含む): 37279440

約数和(自身を除く): 17474488

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 9413, 18826, 37652, 75304, 2475619, 4951238, 9902476, 19804952]

約数ペア:

[(1, 19804952), (2, 9902476), (4, 4951238), (8, 2475619), (263, 75304), (526, 37652), (1052, 18826), (2104, 9413)]