19097337

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2081}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 31979520

約数和(自身を除く): 12882183

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2081, 3059, 6243, 9177, 14567, 39539, 43701, 47863, 118617, 143589, 276773, 335041, 830319, 909397, 1005123, 2728191, 6365779, 19097337]

約数ペア:

[(1, 19097337), (3, 6365779), (7, 2728191), (19, 1005123), (21, 909397), (23, 830319), (57, 335041), (69, 276773), (133, 143589), (161, 118617), (399, 47863), (437, 43701), (483, 39539), (1311, 14567), (2081, 9177), (3059, 6243)]