19167579

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 31150080

約数和(自身を除く): 11982501

約数列:

[1, 3, 9, 23, 29, 31, 69, 87, 93, 103, 207, 261, 279, 309, 667, 713, 899, 927, 2001, 2139, 2369, 2697, 2987, 3193, 6003, 6417, 7107, 8091, 8961, 9579, 20677, 21321, 26883, 28737, 62031, 68701, 73439, 92597, 186093, 206103, 220317, 277791, 618309, 660951, 833373, 2129731, 6389193, 19167579]

約数ペア:

[(1, 19167579), (3, 6389193), (9, 2129731), (23, 833373), (29, 660951), (31, 618309), (69, 277791), (87, 220317), (93, 206103), (103, 186093), (207, 92597), (261, 73439), (279, 68701), (309, 62031), (667, 28737), (713, 26883), (899, 21321), (927, 20677), (2001, 9579), (2139, 8961), (2369, 8091), (2697, 7107), (2987, 6417), (3193, 6003)]