19902894

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7013}}^1$

素因数の和:7072

約数の個数: 32

約数和(自身を含む): 44440704

約数和(自身を除く): 24537810

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7013, 14026, 21039, 42078, 77143, 154286, 231429, 301559, 462858, 603118, 904677, 1809354, 3317149, 6634298, 9951447, 19902894]

約数ペア:

[(1, 19902894), (2, 9951447), (3, 6634298), (6, 3317149), (11, 1809354), (22, 904677), (33, 603118), (43, 462858), (66, 301559), (86, 231429), (129, 154286), (258, 77143), (473, 42078), (946, 21039), (1419, 14026), (2838, 7013)]