18539367

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4721}}^1$

素因数の和:4759

約数の個数: 32

約数和(自身を含む): 32638464

約数和(自身を除く): 14099097

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 4721, 14163, 33047, 51931, 80257, 99141, 155793, 240771, 363517, 561799, 882827, 1090551, 1685397, 2648481, 6179789, 18539367]

約数ペア:

[(1, 18539367), (3, 6179789), (7, 2648481), (11, 1685397), (17, 1090551), (21, 882827), (33, 561799), (51, 363517), (77, 240771), (119, 155793), (187, 99141), (231, 80257), (357, 51931), (561, 33047), (1309, 14163), (3927, 4721)]