19964307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1873}}^1$

素因数の和:1923

約数の個数: 32

約数和(自身を含む): 32382720

約数和(自身を除く): 12418413

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1873, 3553, 5619, 10659, 20603, 31841, 35587, 61809, 95523, 106761, 350251, 391457, 604979, 1050753, 1174371, 1814937, 6654769, 19964307]

約数ペア:

[(1, 19964307), (3, 6654769), (11, 1814937), (17, 1174371), (19, 1050753), (33, 604979), (51, 391457), (57, 350251), (187, 106761), (209, 95523), (323, 61809), (561, 35587), (627, 31841), (969, 20603), (1873, 10659), (3553, 5619)]