19111986

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 47174400

約数和(自身を除く): 28062414

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 41, 47, 57, 58, 82, 87, 94, 114, 123, 141, 171, 174, 246, 261, 282, 342, 369, 423, 522, 551, 738, 779, 846, 893, 1102, 1189, 1363, 1558, 1653, 1786, 1927, 2337, 2378, 2679, 2726, 3306, 3567, 3854, 4089, 4674, 4959, 5358, 5781, 7011, 7134, 8037, 8178, 9918, 10701, 11562, 12267, 14022, 16074, 17343, 21402, 22591, 24534, 25897, 34686, 36613, 45182, 51794, 55883, 67773, 73226, 77691, 109839, 111766, 135546, 155382, 167649, 203319, 219678, 233073, 329517, 335298, 406638, 466146, 502947, 659034, 1005894, 1061777, 2123554, 3185331, 6370662, 9555993, 19111986]

約数ペア:

[(1, 19111986), (2, 9555993), (3, 6370662), (6, 3185331), (9, 2123554), (18, 1061777), (19, 1005894), (29, 659034), (38, 502947), (41, 466146), (47, 406638), (57, 335298), (58, 329517), (82, 233073), (87, 219678), (94, 203319), (114, 167649), (123, 155382), (141, 135546), (171, 111766), (174, 109839), (246, 77691), (261, 73226), (282, 67773), (342, 55883), (369, 51794), (423, 45182), (522, 36613), (551, 34686), (738, 25897), (779, 24534), (846, 22591), (893, 21402), (1102, 17343), (1189, 16074), (1363, 14022), (1558, 12267), (1653, 11562), (1786, 10701), (1927, 9918), (2337, 8178), (2378, 8037), (2679, 7134), (2726, 7011), (3306, 5781), (3567, 5358), (3854, 4959), (4089, 4674)]