18784836

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 108

約数和(自身を含む): 57762432

約数和(自身を除く): 38977596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 463, 483, 588, 644, 828, 882, 926, 966, 1127, 1389, 1449, 1764, 1852, 1932, 2254, 2778, 2898, 3241, 3381, 4167, 4508, 5556, 5796, 6482, 6762, 8334, 9723, 10143, 10649, 12964, 13524, 16668, 19446, 20286, 21298, 22687, 29169, 31947, 38892, 40572, 42596, 45374, 58338, 63894, 68061, 74543, 90748, 95841, 116676, 127788, 136122, 149086, 191682, 204183, 223629, 272244, 298172, 383364, 408366, 447258, 521801, 670887, 816732, 894516, 1043602, 1341774, 1565403, 2087204, 2683548, 3130806, 4696209, 6261612, 9392418, 18784836]

約数ペア:

[(1, 18784836), (2, 9392418), (3, 6261612), (4, 4696209), (6, 3130806), (7, 2683548), (9, 2087204), (12, 1565403), (14, 1341774), (18, 1043602), (21, 894516), (23, 816732), (28, 670887), (36, 521801), (42, 447258), (46, 408366), (49, 383364), (63, 298172), (69, 272244), (84, 223629), (92, 204183), (98, 191682), (126, 149086), (138, 136122), (147, 127788), (161, 116676), (196, 95841), (207, 90748), (252, 74543), (276, 68061), (294, 63894), (322, 58338), (414, 45374), (441, 42596), (463, 40572), (483, 38892), (588, 31947), (644, 29169), (828, 22687), (882, 21298), (926, 20286), (966, 19446), (1127, 16668), (1389, 13524), (1449, 12964), (1764, 10649), (1852, 10143), (1932, 9723), (2254, 8334), (2778, 6762), (2898, 6482), (3241, 5796), (3381, 5556), (4167, 4508)]