18469803

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 29762208

約数和(自身を除く): 11292405

約数列:

[1, 3, 11, 17, 33, 41, 51, 73, 121, 123, 187, 219, 363, 451, 561, 697, 803, 1241, 1353, 2057, 2091, 2409, 2993, 3723, 4961, 6171, 7667, 8833, 8979, 13651, 14883, 23001, 26499, 32923, 40953, 50881, 84337, 98769, 150161, 152643, 253011, 362153, 450483, 559691, 1086459, 1679073, 6156601, 18469803]

約数ペア:

[(1, 18469803), (3, 6156601), (11, 1679073), (17, 1086459), (33, 559691), (41, 450483), (51, 362153), (73, 253011), (121, 152643), (123, 150161), (187, 98769), (219, 84337), (363, 50881), (451, 40953), (561, 32923), (697, 26499), (803, 23001), (1241, 14883), (1353, 13651), (2057, 8979), (2091, 8833), (2409, 7667), (2993, 6171), (3723, 4961)]