19386042

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 44728320

約数和(自身を除く): 25342278

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 103, 114, 127, 206, 247, 254, 309, 381, 494, 618, 741, 762, 1339, 1482, 1651, 1957, 2413, 2678, 3302, 3914, 4017, 4826, 4953, 5871, 7239, 8034, 9906, 11742, 13081, 14478, 25441, 26162, 31369, 39243, 50882, 62738, 76323, 78486, 94107, 152646, 170053, 188214, 248539, 340106, 497078, 510159, 745617, 1020318, 1491234, 3231007, 6462014, 9693021, 19386042]

約数ペア:

[(1, 19386042), (2, 9693021), (3, 6462014), (6, 3231007), (13, 1491234), (19, 1020318), (26, 745617), (38, 510159), (39, 497078), (57, 340106), (78, 248539), (103, 188214), (114, 170053), (127, 152646), (206, 94107), (247, 78486), (254, 76323), (309, 62738), (381, 50882), (494, 39243), (618, 31369), (741, 26162), (762, 25441), (1339, 14478), (1482, 13081), (1651, 11742), (1957, 9906), (2413, 8034), (2678, 7239), (3302, 5871), (3914, 4953), (4017, 4826)]