19381912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{857}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 39845520

約数和(自身を除く): 20463608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 257, 514, 857, 1028, 1714, 2056, 2827, 3428, 5654, 6856, 9427, 11308, 18854, 22616, 37708, 75416, 220249, 440498, 880996, 1761992, 2422739, 4845478, 9690956, 19381912]

約数ペア:

[(1, 19381912), (2, 9690956), (4, 4845478), (8, 2422739), (11, 1761992), (22, 880996), (44, 440498), (88, 220249), (257, 75416), (514, 37708), (857, 22616), (1028, 18854), (1714, 11308), (2056, 9427), (2827, 6856), (3428, 5654)]