18516708

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3499}}^1$

素因数の和:3526

約数の個数: 72

約数和(自身を含む): 55860000

約数和(自身を除く): 37343292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3499, 5292, 6998, 10497, 13996, 20994, 24493, 31491, 41988, 48986, 62982, 73479, 94473, 97972, 125964, 146958, 171451, 188946, 220437, 293916, 342902, 377892, 440874, 514353, 661311, 685804, 881748, 1028706, 1322622, 1543059, 2057412, 2645244, 3086118, 4629177, 6172236, 9258354, 18516708]

約数ペア:

[(1, 18516708), (2, 9258354), (3, 6172236), (4, 4629177), (6, 3086118), (7, 2645244), (9, 2057412), (12, 1543059), (14, 1322622), (18, 1028706), (21, 881748), (27, 685804), (28, 661311), (36, 514353), (42, 440874), (49, 377892), (54, 342902), (63, 293916), (84, 220437), (98, 188946), (108, 171451), (126, 146958), (147, 125964), (189, 97972), (196, 94473), (252, 73479), (294, 62982), (378, 48986), (441, 41988), (588, 31491), (756, 24493), (882, 20994), (1323, 13996), (1764, 10497), (2646, 6998), (3499, 5292)]