19451938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6361}}^1$

素因数の和:6513

約数の個数: 16

約数和(自身を含む): 32064480

約数和(自身を除く): 12612542

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6361, 12722, 69971, 139942, 884179, 1768358, 9725969, 19451938]

約数ペア:

[(1, 19451938), (2, 9725969), (11, 1768358), (22, 884179), (139, 139942), (278, 69971), (1529, 12722), (3058, 6361)]