19843876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1451}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 37566144

約数和(自身を除く): 17722268

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 1451, 2902, 3419, 5804, 6838, 13676, 18863, 37726, 75452, 381613, 763226, 1526452, 4960969, 9921938, 19843876]

約数ペア:

[(1, 19843876), (2, 9921938), (4, 4960969), (13, 1526452), (26, 763226), (52, 381613), (263, 75452), (526, 37726), (1052, 18863), (1451, 13676), (2902, 6838), (3419, 5804)]