18984312

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 54054000

約数和(自身を除く): 35069688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 59, 72, 82, 109, 118, 123, 164, 177, 218, 236, 246, 327, 328, 354, 369, 436, 472, 492, 531, 654, 708, 738, 872, 981, 984, 1062, 1308, 1416, 1476, 1962, 2124, 2419, 2616, 2952, 3924, 4248, 4469, 4838, 6431, 7257, 7848, 8938, 9676, 12862, 13407, 14514, 17876, 19293, 19352, 21771, 25724, 26814, 29028, 35752, 38586, 40221, 43542, 51448, 53628, 57879, 58056, 77172, 80442, 87084, 107256, 115758, 154344, 160884, 174168, 231516, 263671, 321768, 463032, 527342, 791013, 1054684, 1582026, 2109368, 2373039, 3164052, 4746078, 6328104, 9492156, 18984312]

約数ペア:

[(1, 18984312), (2, 9492156), (3, 6328104), (4, 4746078), (6, 3164052), (8, 2373039), (9, 2109368), (12, 1582026), (18, 1054684), (24, 791013), (36, 527342), (41, 463032), (59, 321768), (72, 263671), (82, 231516), (109, 174168), (118, 160884), (123, 154344), (164, 115758), (177, 107256), (218, 87084), (236, 80442), (246, 77172), (327, 58056), (328, 57879), (354, 53628), (369, 51448), (436, 43542), (472, 40221), (492, 38586), (531, 35752), (654, 29028), (708, 26814), (738, 25724), (872, 21771), (981, 19352), (984, 19293), (1062, 17876), (1308, 14514), (1416, 13407), (1476, 12862), (1962, 9676), (2124, 8938), (2419, 7848), (2616, 7257), (2952, 6431), (3924, 4838), (4248, 4469)]