18380952

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2037

約数の個数: 64

約数和(自身を含む): 52272000

約数和(自身を除く): 33891048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 1979, 2322, 3096, 3958, 4644, 5937, 7916, 9288, 11874, 15832, 17811, 23748, 35622, 47496, 53433, 71244, 85097, 106866, 142488, 170194, 213732, 255291, 340388, 427464, 510582, 680776, 765873, 1021164, 1531746, 2042328, 2297619, 3063492, 4595238, 6126984, 9190476, 18380952]

約数ペア:

[(1, 18380952), (2, 9190476), (3, 6126984), (4, 4595238), (6, 3063492), (8, 2297619), (9, 2042328), (12, 1531746), (18, 1021164), (24, 765873), (27, 680776), (36, 510582), (43, 427464), (54, 340388), (72, 255291), (86, 213732), (108, 170194), (129, 142488), (172, 106866), (216, 85097), (258, 71244), (344, 53433), (387, 47496), (516, 35622), (774, 23748), (1032, 17811), (1161, 15832), (1548, 11874), (1979, 9288), (2322, 7916), (3096, 5937), (3958, 4644)]