18545814

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 49357440

約数和(自身を除く): 30811626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 49, 54, 63, 86, 98, 126, 129, 147, 163, 189, 258, 294, 301, 326, 378, 387, 441, 489, 602, 774, 882, 903, 978, 1141, 1161, 1323, 1467, 1806, 2107, 2282, 2322, 2646, 2709, 2934, 3423, 4214, 4401, 5418, 6321, 6846, 7009, 7987, 8127, 8802, 10269, 12642, 14018, 15974, 16254, 18963, 20538, 21027, 23961, 30807, 37926, 42054, 47922, 49063, 56889, 61614, 63081, 71883, 98126, 113778, 126162, 143766, 147189, 189243, 215649, 294378, 343441, 378486, 431298, 441567, 686882, 883134, 1030323, 1324701, 2060646, 2649402, 3090969, 6181938, 9272907, 18545814]

約数ペア:

[(1, 18545814), (2, 9272907), (3, 6181938), (6, 3090969), (7, 2649402), (9, 2060646), (14, 1324701), (18, 1030323), (21, 883134), (27, 686882), (42, 441567), (43, 431298), (49, 378486), (54, 343441), (63, 294378), (86, 215649), (98, 189243), (126, 147189), (129, 143766), (147, 126162), (163, 113778), (189, 98126), (258, 71883), (294, 63081), (301, 61614), (326, 56889), (378, 49063), (387, 47922), (441, 42054), (489, 37926), (602, 30807), (774, 23961), (882, 21027), (903, 20538), (978, 18963), (1141, 16254), (1161, 15974), (1323, 14018), (1467, 12642), (1806, 10269), (2107, 8802), (2282, 8127), (2322, 7987), (2646, 7009), (2709, 6846), (2934, 6321), (3423, 5418), (4214, 4401)]