18645039

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 34063200

約数和(自身を除く): 15418161

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 829, 833, 1071, 1323, 2487, 2499, 3213, 5803, 7461, 7497, 14093, 17409, 22383, 22491, 40621, 42279, 52227, 98651, 121863, 126837, 156681, 295953, 365589, 380511, 690557, 887859, 1096767, 2071671, 2663577, 6215013, 18645039]

約数ペア:

[(1, 18645039), (3, 6215013), (7, 2663577), (9, 2071671), (17, 1096767), (21, 887859), (27, 690557), (49, 380511), (51, 365589), (63, 295953), (119, 156681), (147, 126837), (153, 121863), (189, 98651), (357, 52227), (441, 42279), (459, 40621), (829, 22491), (833, 22383), (1071, 17409), (1323, 14093), (2487, 7497), (2499, 7461), (3213, 5803)]