19920978

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1597}}^1$

素因数の和:1629

約数の個数: 80

約数和(自身を含む): 55687104

約数和(自身を除く): 35766126

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1597, 1782, 2079, 3194, 4158, 4791, 6237, 9582, 11179, 12474, 14373, 17567, 22358, 28746, 33537, 35134, 43119, 52701, 67074, 86238, 100611, 105402, 122969, 129357, 158103, 201222, 245938, 258714, 301833, 316206, 368907, 474309, 603666, 737814, 905499, 948618, 1106721, 1422927, 1810998, 2213442, 2845854, 3320163, 6640326, 9960489, 19920978]

約数ペア:

[(1, 19920978), (2, 9960489), (3, 6640326), (6, 3320163), (7, 2845854), (9, 2213442), (11, 1810998), (14, 1422927), (18, 1106721), (21, 948618), (22, 905499), (27, 737814), (33, 603666), (42, 474309), (54, 368907), (63, 316206), (66, 301833), (77, 258714), (81, 245938), (99, 201222), (126, 158103), (154, 129357), (162, 122969), (189, 105402), (198, 100611), (231, 86238), (297, 67074), (378, 52701), (462, 43119), (567, 35134), (594, 33537), (693, 28746), (891, 22358), (1134, 17567), (1386, 14373), (1597, 12474), (1782, 11179), (2079, 9582), (3194, 6237), (4158, 4791)]