19101159

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 35253504

約数和(自身を除く): 16152345

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 641, 693, 903, 1419, 1923, 2709, 3311, 4257, 4487, 5769, 7051, 9933, 13461, 21153, 27563, 29799, 40383, 49357, 63459, 82689, 148071, 192941, 248067, 303193, 444213, 578823, 909579, 1736469, 2122351, 2728737, 6367053, 19101159]

約数ペア:

[(1, 19101159), (3, 6367053), (7, 2728737), (9, 2122351), (11, 1736469), (21, 909579), (33, 578823), (43, 444213), (63, 303193), (77, 248067), (99, 192941), (129, 148071), (231, 82689), (301, 63459), (387, 49357), (473, 40383), (641, 29799), (693, 27563), (903, 21153), (1419, 13461), (1923, 9933), (2709, 7051), (3311, 5769), (4257, 4487)]