19853478

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3373}}^1$

素因数の和:3493

約数の個数: 32

約数和(自身を含む): 44536800

約数和(自身を除く): 24683322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3373, 5886, 6746, 10119, 20238, 30357, 60714, 91071, 182142, 367657, 735314, 1102971, 2205942, 3308913, 6617826, 9926739, 19853478]

約数ペア:

[(1, 19853478), (2, 9926739), (3, 6617826), (6, 3308913), (9, 2205942), (18, 1102971), (27, 735314), (54, 367657), (109, 182142), (218, 91071), (327, 60714), (654, 30357), (981, 20238), (1962, 10119), (2943, 6746), (3373, 5886)]