19948018

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2513

約数の個数: 16

約数和(自身を含む): 30870720

約数和(自身を除く): 10922702

約数列:

[1, 2, 59, 71, 118, 142, 2381, 4189, 4762, 8378, 140479, 169051, 280958, 338102, 9974009, 19948018]

約数ペア:

[(1, 19948018), (2, 9974009), (59, 338102), (71, 280958), (118, 169051), (142, 140479), (2381, 8378), (4189, 4762)]