18168759

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 32394240

約数和(自身を除く): 14225481

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 443, 651, 837, 1323, 1329, 1519, 1953, 3101, 3987, 4557, 5859, 9303, 11961, 13671, 13733, 21707, 27909, 41013, 41199, 65121, 83727, 96131, 123597, 195363, 288393, 370791, 586089, 672917, 865179, 2018751, 2595537, 6056253, 18168759]

約数ペア:

[(1, 18168759), (3, 6056253), (7, 2595537), (9, 2018751), (21, 865179), (27, 672917), (31, 586089), (49, 370791), (63, 288393), (93, 195363), (147, 123597), (189, 96131), (217, 83727), (279, 65121), (441, 41199), (443, 41013), (651, 27909), (837, 21707), (1323, 13733), (1329, 13671), (1519, 11961), (1953, 9303), (3101, 5859), (3987, 4557)]