19416771

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 13605309

約数列:

[1, 3, 9, 11, 17, 33, 51, 83, 99, 139, 153, 187, 249, 417, 561, 747, 913, 1251, 1411, 1529, 1683, 2363, 2739, 4233, 4587, 7089, 8217, 11537, 12699, 13761, 15521, 21267, 25993, 34611, 46563, 77979, 103833, 126907, 139689, 196129, 233937, 380721, 588387, 1142163, 1765161, 2157419, 6472257, 19416771]

約数ペア:

[(1, 19416771), (3, 6472257), (9, 2157419), (11, 1765161), (17, 1142163), (33, 588387), (51, 380721), (83, 233937), (99, 196129), (139, 139689), (153, 126907), (187, 103833), (249, 77979), (417, 46563), (561, 34611), (747, 25993), (913, 21267), (1251, 15521), (1411, 13761), (1529, 12699), (1683, 11537), (2363, 8217), (2739, 7089), (4233, 4587)]