18925634

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 37068480

約数和(自身を除く): 18142846

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 421, 494, 842, 1183, 1729, 2366, 2947, 3211, 3458, 5473, 5894, 6422, 7999, 10946, 15998, 22477, 38311, 44954, 55993, 71149, 76622, 103987, 111986, 142298, 207974, 498043, 727909, 996086, 1351831, 1455818, 2703662, 9462817, 18925634]

約数ペア:

[(1, 18925634), (2, 9462817), (7, 2703662), (13, 1455818), (14, 1351831), (19, 996086), (26, 727909), (38, 498043), (91, 207974), (133, 142298), (169, 111986), (182, 103987), (247, 76622), (266, 71149), (338, 55993), (421, 44954), (494, 38311), (842, 22477), (1183, 15998), (1729, 10946), (2366, 7999), (2947, 6422), (3211, 5894), (3458, 5473)]