18257778

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4391}}^1$

素因数の和:4420

約数の個数: 64

約数和(自身を含む): 50595840

約数和(自身を除く): 32338062

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 378, 462, 594, 693, 1386, 2079, 4158, 4391, 8782, 13173, 26346, 30737, 39519, 48301, 61474, 79038, 92211, 96602, 118557, 144903, 184422, 237114, 276633, 289806, 338107, 434709, 553266, 676214, 829899, 869418, 1014321, 1304127, 1659798, 2028642, 2608254, 3042963, 6085926, 9128889, 18257778]

約数ペア:

[(1, 18257778), (2, 9128889), (3, 6085926), (6, 3042963), (7, 2608254), (9, 2028642), (11, 1659798), (14, 1304127), (18, 1014321), (21, 869418), (22, 829899), (27, 676214), (33, 553266), (42, 434709), (54, 338107), (63, 289806), (66, 276633), (77, 237114), (99, 184422), (126, 144903), (154, 118557), (189, 96602), (198, 92211), (231, 79038), (297, 61474), (378, 48301), (462, 39519), (594, 30737), (693, 26346), (1386, 13173), (2079, 8782), (4158, 4391)]