18220272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 54258432

約数和(自身を除く): 36038160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 211, 257, 336, 422, 514, 633, 771, 844, 1028, 1266, 1477, 1542, 1688, 1799, 2056, 2532, 2954, 3084, 3376, 3598, 4112, 4431, 5064, 5397, 5908, 6168, 7196, 8862, 10128, 10794, 11816, 12336, 14392, 17724, 21588, 23632, 28784, 35448, 43176, 54227, 70896, 86352, 108454, 162681, 216908, 325362, 379589, 433816, 650724, 759178, 867632, 1138767, 1301448, 1518356, 2277534, 2602896, 3036712, 4555068, 6073424, 9110136, 18220272]

約数ペア:

[(1, 18220272), (2, 9110136), (3, 6073424), (4, 4555068), (6, 3036712), (7, 2602896), (8, 2277534), (12, 1518356), (14, 1301448), (16, 1138767), (21, 867632), (24, 759178), (28, 650724), (42, 433816), (48, 379589), (56, 325362), (84, 216908), (112, 162681), (168, 108454), (211, 86352), (257, 70896), (336, 54227), (422, 43176), (514, 35448), (633, 28784), (771, 23632), (844, 21588), (1028, 17724), (1266, 14392), (1477, 12336), (1542, 11816), (1688, 10794), (1799, 10128), (2056, 8862), (2532, 7196), (2954, 6168), (3084, 5908), (3376, 5397), (3598, 5064), (4112, 4431)]