18542988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 50909040

約数和(自身を除く): 32366052

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 41, 51, 68, 82, 102, 123, 153, 164, 204, 246, 306, 369, 492, 612, 697, 738, 739, 1394, 1476, 1478, 2091, 2217, 2788, 2956, 4182, 4434, 6273, 6651, 8364, 8868, 12546, 12563, 13302, 25092, 25126, 26604, 30299, 37689, 50252, 60598, 75378, 90897, 113067, 121196, 150756, 181794, 226134, 272691, 363588, 452268, 515083, 545382, 1030166, 1090764, 1545249, 2060332, 3090498, 4635747, 6180996, 9271494, 18542988]

約数ペア:

[(1, 18542988), (2, 9271494), (3, 6180996), (4, 4635747), (6, 3090498), (9, 2060332), (12, 1545249), (17, 1090764), (18, 1030166), (34, 545382), (36, 515083), (41, 452268), (51, 363588), (68, 272691), (82, 226134), (102, 181794), (123, 150756), (153, 121196), (164, 113067), (204, 90897), (246, 75378), (306, 60598), (369, 50252), (492, 37689), (612, 30299), (697, 26604), (738, 25126), (739, 25092), (1394, 13302), (1476, 12563), (1478, 12546), (2091, 8868), (2217, 8364), (2788, 6651), (2956, 6273), (4182, 4434)]