19605291

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:826

約数の個数: 16

約数和(自身を含む): 26885760

約数和(自身を除く): 7280469

約数列:

[1, 3, 43, 129, 379, 401, 1137, 1203, 16297, 17243, 48891, 51729, 151979, 455937, 6535097, 19605291]

約数ペア:

[(1, 19605291), (3, 6535097), (43, 455937), (129, 151979), (379, 51729), (401, 48891), (1137, 17243), (1203, 16297)]