19648242

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 45483360

約数和(自身を除く): 25835118

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 787, 1314, 1387, 1574, 2361, 2774, 4161, 4722, 7083, 8322, 12483, 14166, 14953, 24966, 29906, 44859, 57451, 89718, 114902, 134577, 172353, 269154, 344706, 517059, 1034118, 1091569, 2183138, 3274707, 6549414, 9824121, 19648242]

約数ペア:

[(1, 19648242), (2, 9824121), (3, 6549414), (6, 3274707), (9, 2183138), (18, 1091569), (19, 1034118), (38, 517059), (57, 344706), (73, 269154), (114, 172353), (146, 134577), (171, 114902), (219, 89718), (342, 57451), (438, 44859), (657, 29906), (787, 24966), (1314, 14953), (1387, 14166), (1574, 12483), (2361, 8322), (2774, 7083), (4161, 4722)]