19395453

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 15078147

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 449, 561, 847, 1309, 1347, 2057, 2541, 3143, 3927, 4939, 6171, 7633, 9429, 14399, 14817, 22899, 34573, 43197, 53431, 54329, 83963, 103719, 160293, 162987, 251889, 380303, 587741, 923593, 1140909, 1763223, 2770779, 6465151, 19395453]

約数ペア:

[(1, 19395453), (3, 6465151), (7, 2770779), (11, 1763223), (17, 1140909), (21, 923593), (33, 587741), (51, 380303), (77, 251889), (119, 162987), (121, 160293), (187, 103719), (231, 83963), (357, 54329), (363, 53431), (449, 43197), (561, 34573), (847, 22899), (1309, 14817), (1347, 14399), (2057, 9429), (2541, 7633), (3143, 6171), (3927, 4939)]