19087887

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2411}}^1$

素因数の和:2463

約数の個数: 32

約数和(自身を含む): 32417280

約数和(自身を除く): 13329393

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2411, 2639, 7233, 7917, 16877, 31343, 50631, 69919, 94029, 209757, 219401, 489433, 658203, 908947, 1468299, 2726841, 6362629, 19087887]

約数ペア:

[(1, 19087887), (3, 6362629), (7, 2726841), (13, 1468299), (21, 908947), (29, 658203), (39, 489433), (87, 219401), (91, 209757), (203, 94029), (273, 69919), (377, 50631), (609, 31343), (1131, 16877), (2411, 7917), (2639, 7233)]