19087893

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 32200896

約数和(自身を除く): 13113003

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 193, 243, 297, 333, 407, 579, 891, 999, 1221, 1737, 2123, 2673, 2997, 3663, 5211, 6369, 7141, 8991, 10989, 15633, 19107, 21423, 32967, 46899, 57321, 64269, 78551, 98901, 171963, 192807, 235653, 515889, 578421, 706959, 1735263, 2120877, 6362631, 19087893]

約数ペア:

[(1, 19087893), (3, 6362631), (9, 2120877), (11, 1735263), (27, 706959), (33, 578421), (37, 515889), (81, 235653), (99, 192807), (111, 171963), (193, 98901), (243, 78551), (297, 64269), (333, 57321), (407, 46899), (579, 32967), (891, 21423), (999, 19107), (1221, 15633), (1737, 10989), (2123, 8991), (2673, 7141), (2997, 6369), (3663, 5211)]