1998267732

素因数分解:

$2^2\times 3^6\times {\mathrm{37}}^1\times {\mathrm{18521}}^1$

素因数の和:18580

約数の個数: 84

約数和(自身を含む): 5385049236

約数和(自身を除く): 3386781504

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 243, 324, 333, 444, 486, 666, 729, 972, 999, 1332, 1458, 1998, 2916, 2997, 3996, 5994, 8991, 11988, 17982, 18521, 26973, 35964, 37042, 53946, 55563, 74084, 107892, 111126, 166689, 222252, 333378, 500067, 666756, 685277, 1000134, 1370554, 1500201, 2000268, 2055831, 2741108, 3000402, 4111662, 4500603, 6000804, 6167493, 8223324, 9001206, 12334986, 13501809, 18002412, 18502479, 24669972, 27003618, 37004958, 54007236, 55507437, 74009916, 111014874, 166522311, 222029748, 333044622, 499566933, 666089244, 999133866, 1998267732]

約数ペア:

[(1, 1998267732), (2, 999133866), (3, 666089244), (4, 499566933), (6, 333044622), (9, 222029748), (12, 166522311), (18, 111014874), (27, 74009916), (36, 55507437), (37, 54007236), (54, 37004958), (74, 27003618), (81, 24669972), (108, 18502479), (111, 18002412), (148, 13501809), (162, 12334986), (222, 9001206), (243, 8223324), (324, 6167493), (333, 6000804), (444, 4500603), (486, 4111662), (666, 3000402), (729, 2741108), (972, 2055831), (999, 2000268), (1332, 1500201), (1458, 1370554), (1998, 1000134), (2916, 685277), (2997, 666756), (3996, 500067), (5994, 333378), (8991, 222252), (11988, 166689), (17982, 111126), (18521, 107892), (26973, 74084), (35964, 55563), (37042, 53946)]