18945846

素因数分解:

$2^1\times 3^3\times {\mathrm{97}}^1\times {\mathrm{3617}}^1$

素因数の和:3725

約数の個数: 32

約数和(自身を含む): 42547680

約数和(自身を除く): 23601834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 97, 194, 291, 582, 873, 1746, 2619, 3617, 5238, 7234, 10851, 21702, 32553, 65106, 97659, 195318, 350849, 701698, 1052547, 2105094, 3157641, 6315282, 9472923, 18945846]

約数ペア:

[(1, 18945846), (2, 9472923), (3, 6315282), (6, 3157641), (9, 2105094), (18, 1052547), (27, 701698), (54, 350849), (97, 195318), (194, 97659), (291, 65106), (582, 32553), (873, 21702), (1746, 10851), (2619, 7234), (3617, 5238)]