18738468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 39757788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 53, 61, 63, 69, 84, 92, 106, 122, 126, 138, 159, 161, 183, 207, 212, 244, 252, 276, 318, 322, 366, 371, 414, 427, 477, 483, 549, 636, 644, 732, 742, 828, 854, 954, 966, 1098, 1113, 1219, 1281, 1403, 1449, 1484, 1708, 1908, 1932, 2196, 2226, 2438, 2562, 2806, 2898, 3233, 3339, 3657, 3843, 4209, 4452, 4876, 5124, 5612, 5796, 6466, 6678, 7314, 7686, 8418, 8533, 9699, 9821, 10971, 12627, 12932, 13356, 14628, 15372, 16836, 17066, 19398, 19642, 21942, 22631, 25254, 25599, 29097, 29463, 34132, 38796, 39284, 43884, 45262, 50508, 51198, 58194, 58926, 67893, 74359, 76797, 88389, 90524, 102396, 116388, 117852, 135786, 148718, 153594, 176778, 203679, 223077, 271572, 297436, 307188, 353556, 407358, 446154, 520513, 669231, 814716, 892308, 1041026, 1338462, 1561539, 2082052, 2676924, 3123078, 4684617, 6246156, 9369234, 18738468]

約数ペア:

[(1, 18738468), (2, 9369234), (3, 6246156), (4, 4684617), (6, 3123078), (7, 2676924), (9, 2082052), (12, 1561539), (14, 1338462), (18, 1041026), (21, 892308), (23, 814716), (28, 669231), (36, 520513), (42, 446154), (46, 407358), (53, 353556), (61, 307188), (63, 297436), (69, 271572), (84, 223077), (92, 203679), (106, 176778), (122, 153594), (126, 148718), (138, 135786), (159, 117852), (161, 116388), (183, 102396), (207, 90524), (212, 88389), (244, 76797), (252, 74359), (276, 67893), (318, 58926), (322, 58194), (366, 51198), (371, 50508), (414, 45262), (427, 43884), (477, 39284), (483, 38796), (549, 34132), (636, 29463), (644, 29097), (732, 25599), (742, 25254), (828, 22631), (854, 21942), (954, 19642), (966, 19398), (1098, 17066), (1113, 16836), (1219, 15372), (1281, 14628), (1403, 13356), (1449, 12932), (1484, 12627), (1708, 10971), (1908, 9821), (1932, 9699), (2196, 8533), (2226, 8418), (2438, 7686), (2562, 7314), (2806, 6678), (2898, 6466), (3233, 5796), (3339, 5612), (3657, 5124), (3843, 4876), (4209, 4452)]