19015227

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 35762688

約数和(自身を除く): 16747461

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1193, 1449, 1771, 2277, 3579, 5313, 8351, 10737, 13123, 15939, 25053, 27439, 39369, 75159, 82317, 91861, 118107, 192073, 246951, 275583, 301829, 576219, 826749, 905487, 1728657, 2112803, 2716461, 6338409, 19015227]

約数ペア:

[(1, 19015227), (3, 6338409), (7, 2716461), (9, 2112803), (11, 1728657), (21, 905487), (23, 826749), (33, 576219), (63, 301829), (69, 275583), (77, 246951), (99, 192073), (161, 118107), (207, 91861), (231, 82317), (253, 75159), (483, 39369), (693, 27439), (759, 25053), (1193, 15939), (1449, 13123), (1771, 10737), (2277, 8351), (3579, 5313)]