19962047

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 23918592

約数和(自身を除く): 3956545

約数列:

[1, 7, 31, 67, 217, 469, 1373, 2077, 9611, 14539, 42563, 91991, 297941, 643937, 2851721, 19962047]

約数ペア:

[(1, 19962047), (7, 2851721), (31, 643937), (67, 297941), (217, 91991), (469, 42563), (1373, 14539), (2077, 9611)]