18647789104

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1\times {\mathrm{5323}}^1$

素因数の和:6378

約数の個数: 80

約数和(自身を含む): 42673776640

約数和(自身を除く): 24025987536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1009, 1736, 2018, 3472, 4036, 5323, 7063, 8072, 10646, 14126, 16144, 21292, 28252, 31279, 37261, 42584, 56504, 62558, 74522, 85168, 113008, 125116, 149044, 165013, 218953, 250232, 298088, 330026, 437906, 500464, 596176, 660052, 875812, 1155091, 1320104, 1751624, 2310182, 2640208, 3503248, 4620364, 5370907, 9240728, 10741814, 18481456, 21483628, 37596349, 42967256, 75192698, 85934512, 150385396, 166498117, 300770792, 332996234, 601541584, 665992468, 1165486819, 1331984936, 2330973638, 2663969872, 4661947276, 9323894552, 18647789104]

約数ペア:

[(1, 18647789104), (2, 9323894552), (4, 4661947276), (7, 2663969872), (8, 2330973638), (14, 1331984936), (16, 1165486819), (28, 665992468), (31, 601541584), (56, 332996234), (62, 300770792), (112, 166498117), (124, 150385396), (217, 85934512), (248, 75192698), (434, 42967256), (496, 37596349), (868, 21483628), (1009, 18481456), (1736, 10741814), (2018, 9240728), (3472, 5370907), (4036, 4620364), (5323, 3503248), (7063, 2640208), (8072, 2310182), (10646, 1751624), (14126, 1320104), (16144, 1155091), (21292, 875812), (28252, 660052), (31279, 596176), (37261, 500464), (42584, 437906), (56504, 330026), (62558, 298088), (74522, 250232), (85168, 218953), (113008, 165013), (125116, 149044)]