19682271

素因数分解:

$3^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 84

約数和(自身を含む): 37380600

約数和(自身を除く): 17698329

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 49, 57, 63, 81, 87, 133, 147, 171, 189, 203, 243, 261, 399, 441, 513, 551, 567, 609, 729, 783, 931, 1197, 1323, 1421, 1539, 1653, 1701, 1827, 2349, 2793, 3591, 3857, 3969, 4263, 4617, 4959, 5103, 5481, 7047, 8379, 10773, 11571, 11907, 12789, 13851, 14877, 16443, 21141, 25137, 26999, 32319, 34713, 35721, 38367, 44631, 49329, 75411, 80997, 96957, 104139, 115101, 133893, 147987, 226233, 242991, 312417, 345303, 401679, 678699, 728973, 937251, 1035909, 2186919, 2811753, 6560757, 19682271]

約数ペア:

[(1, 19682271), (3, 6560757), (7, 2811753), (9, 2186919), (19, 1035909), (21, 937251), (27, 728973), (29, 678699), (49, 401679), (57, 345303), (63, 312417), (81, 242991), (87, 226233), (133, 147987), (147, 133893), (171, 115101), (189, 104139), (203, 96957), (243, 80997), (261, 75411), (399, 49329), (441, 44631), (513, 38367), (551, 35721), (567, 34713), (609, 32319), (729, 26999), (783, 25137), (931, 21141), (1197, 16443), (1323, 14877), (1421, 13851), (1539, 12789), (1653, 11907), (1701, 11571), (1827, 10773), (2349, 8379), (2793, 7047), (3591, 5481), (3857, 5103), (3969, 4959), (4263, 4617)]