19945098

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2011}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 47080800

約数和(自身を除く): 27135702

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 2011, 3306, 4022, 4959, 6033, 9918, 12066, 18099, 36198, 38209, 58319, 76418, 114627, 116638, 174957, 229254, 343881, 349914, 524871, 687762, 1049742, 1108061, 2216122, 3324183, 6648366, 9972549, 19945098]

約数ペア:

[(1, 19945098), (2, 9972549), (3, 6648366), (6, 3324183), (9, 2216122), (18, 1108061), (19, 1049742), (29, 687762), (38, 524871), (57, 349914), (58, 343881), (87, 229254), (114, 174957), (171, 116638), (174, 114627), (261, 76418), (342, 58319), (522, 38209), (551, 36198), (1102, 18099), (1653, 12066), (2011, 9918), (3306, 6033), (4022, 4959)]