19890406871

素因数分解:

${\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 21195743040

約数和(自身を除く): 1305336169

約数列:

[1, 29, 73, 107, 277, 317, 2117, 3103, 7811, 8033, 9193, 20221, 23141, 29639, 33919, 87809, 226519, 586409, 671089, 859531, 983651, 2163647, 2476087, 2546461, 6410057, 9395563, 62745763, 71806523, 185891653, 272471327, 685876099, 19890406871]

約数ペア:

[(1, 19890406871), (29, 685876099), (73, 272471327), (107, 185891653), (277, 71806523), (317, 62745763), (2117, 9395563), (3103, 6410057), (7811, 2546461), (8033, 2476087), (9193, 2163647), (20221, 983651), (23141, 859531), (29639, 671089), (33919, 586409), (87809, 226519)]