19775371

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 26429760

約数和(自身を除く): 6654389

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 1931, 10241, 13517, 21241, 36689, 94619, 148687, 256823, 403579, 1040809, 1797761, 2825053, 19775371]

約数ペア:

[(1, 19775371), (7, 2825053), (11, 1797761), (19, 1040809), (49, 403579), (77, 256823), (133, 148687), (209, 94619), (539, 36689), (931, 21241), (1463, 13517), (1931, 10241)]