18845694

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{929}}^1$

素因数の和:974

約数の個数: 72

約数和(自身を含む): 49617360

約数和(自身を除く): 30771666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 929, 966, 1127, 1449, 1858, 2254, 2787, 2898, 3381, 5574, 6503, 6762, 8361, 10143, 13006, 16722, 19509, 20286, 21367, 39018, 42734, 45521, 58527, 64101, 91042, 117054, 128202, 136563, 149569, 192303, 273126, 299138, 384606, 409689, 448707, 819378, 897414, 1046983, 1346121, 2093966, 2692242, 3140949, 6281898, 9422847, 18845694]

約数ペア:

[(1, 18845694), (2, 9422847), (3, 6281898), (6, 3140949), (7, 2692242), (9, 2093966), (14, 1346121), (18, 1046983), (21, 897414), (23, 819378), (42, 448707), (46, 409689), (49, 384606), (63, 299138), (69, 273126), (98, 192303), (126, 149569), (138, 136563), (147, 128202), (161, 117054), (207, 91042), (294, 64101), (322, 58527), (414, 45521), (441, 42734), (483, 39018), (882, 21367), (929, 20286), (966, 19509), (1127, 16722), (1449, 13006), (1858, 10143), (2254, 8361), (2787, 6762), (2898, 6503), (3381, 5574)]