18984258

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 23394078

約数列:

[1, 2, 3, 6, 9, 18, 83, 97, 131, 166, 194, 249, 262, 291, 393, 498, 582, 747, 786, 873, 1179, 1494, 1746, 2358, 8051, 10873, 12707, 16102, 21746, 24153, 25414, 32619, 38121, 48306, 65238, 72459, 76242, 97857, 114363, 144918, 195714, 228726, 1054681, 2109362, 3164043, 6328086, 9492129, 18984258]

約数ペア:

[(1, 18984258), (2, 9492129), (3, 6328086), (6, 3164043), (9, 2109362), (18, 1054681), (83, 228726), (97, 195714), (131, 144918), (166, 114363), (194, 97857), (249, 76242), (262, 72459), (291, 65238), (393, 48306), (498, 38121), (582, 32619), (747, 25414), (786, 24153), (873, 21746), (1179, 16102), (1494, 12707), (1746, 10873), (2358, 8051)]