19656186

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{691}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 43047936

約数和(自身を除く): 23391750

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 431, 691, 862, 1293, 1382, 2073, 2586, 4146, 4741, 7601, 9482, 14223, 15202, 22803, 28446, 45606, 297821, 595642, 893463, 1786926, 3276031, 6552062, 9828093, 19656186]

約数ペア:

[(1, 19656186), (2, 9828093), (3, 6552062), (6, 3276031), (11, 1786926), (22, 893463), (33, 595642), (66, 297821), (431, 45606), (691, 28446), (862, 22803), (1293, 15202), (1382, 14223), (2073, 9482), (2586, 7601), (4146, 4741)]