19890486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 54632448

約数和(自身を除く): 34741962

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 113, 126, 127, 154, 198, 226, 231, 254, 339, 381, 462, 678, 693, 762, 791, 889, 1017, 1143, 1243, 1386, 1397, 1582, 1778, 2034, 2286, 2373, 2486, 2667, 2794, 3729, 4191, 4746, 5334, 7119, 7458, 8001, 8382, 8701, 9779, 11187, 12573, 14238, 14351, 16002, 17402, 19558, 22374, 25146, 26103, 28702, 29337, 43053, 52206, 58674, 78309, 86106, 88011, 100457, 129159, 156618, 157861, 176022, 200914, 258318, 301371, 315722, 473583, 602742, 904113, 947166, 1105027, 1420749, 1808226, 2210054, 2841498, 3315081, 6630162, 9945243, 19890486]

約数ペア:

[(1, 19890486), (2, 9945243), (3, 6630162), (6, 3315081), (7, 2841498), (9, 2210054), (11, 1808226), (14, 1420749), (18, 1105027), (21, 947166), (22, 904113), (33, 602742), (42, 473583), (63, 315722), (66, 301371), (77, 258318), (99, 200914), (113, 176022), (126, 157861), (127, 156618), (154, 129159), (198, 100457), (226, 88011), (231, 86106), (254, 78309), (339, 58674), (381, 52206), (462, 43053), (678, 29337), (693, 28702), (762, 26103), (791, 25146), (889, 22374), (1017, 19558), (1143, 17402), (1243, 16002), (1386, 14351), (1397, 14238), (1582, 12573), (1778, 11187), (2034, 9779), (2286, 8701), (2373, 8382), (2486, 8001), (2667, 7458), (2794, 7119), (3729, 5334), (4191, 4746)]