19522377

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 34944000

約数和(自身を除く): 15421623

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 483, 499, 567, 621, 1449, 1497, 1701, 1863, 3493, 4347, 4491, 5589, 10479, 11477, 13041, 13473, 31437, 34431, 39123, 40419, 80339, 94311, 103293, 121257, 241017, 282933, 309879, 723051, 848799, 929637, 2169153, 2788911, 6507459, 19522377]

約数ペア:

[(1, 19522377), (3, 6507459), (7, 2788911), (9, 2169153), (21, 929637), (23, 848799), (27, 723051), (63, 309879), (69, 282933), (81, 241017), (161, 121257), (189, 103293), (207, 94311), (243, 80339), (483, 40419), (499, 39123), (567, 34431), (621, 31437), (1449, 13473), (1497, 13041), (1701, 11477), (1863, 10479), (3493, 5589), (4347, 4491)]