18381246

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 42470400

約数和(自身を除く): 24089154

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 79, 114, 157, 158, 237, 247, 314, 471, 474, 494, 741, 942, 1027, 1482, 1501, 2041, 2054, 2983, 3002, 3081, 4082, 4503, 5966, 6123, 6162, 8949, 9006, 12246, 12403, 17898, 19513, 24806, 37209, 38779, 39026, 58539, 74418, 77558, 116337, 117078, 161239, 232674, 235657, 322478, 471314, 483717, 706971, 967434, 1413942, 3063541, 6127082, 9190623, 18381246]

約数ペア:

[(1, 18381246), (2, 9190623), (3, 6127082), (6, 3063541), (13, 1413942), (19, 967434), (26, 706971), (38, 483717), (39, 471314), (57, 322478), (78, 235657), (79, 232674), (114, 161239), (157, 117078), (158, 116337), (237, 77558), (247, 74418), (314, 58539), (471, 39026), (474, 38779), (494, 37209), (741, 24806), (942, 19513), (1027, 17898), (1482, 12403), (1501, 12246), (2041, 9006), (2054, 8949), (2983, 6162), (3002, 6123), (3081, 5966), (4082, 4503)]