19639906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 35437248

約数和(自身を除く): 15797342

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1597, 3194, 6149, 12298, 17567, 20761, 35134, 41522, 68671, 137342, 228371, 456742, 755381, 892723, 1510762, 1785446, 9819953, 19639906]

約数ペア:

[(1, 19639906), (2, 9819953), (11, 1785446), (13, 1510762), (22, 892723), (26, 755381), (43, 456742), (86, 228371), (143, 137342), (286, 68671), (473, 41522), (559, 35134), (946, 20761), (1118, 17567), (1597, 12298), (3194, 6149)]