19211337

素因数分解:

$3^6\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 42

約数和(自身を含む): 30816042

約数和(自身を除く): 11604705

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 171, 219, 243, 361, 513, 657, 729, 1083, 1387, 1539, 1971, 3249, 4161, 4617, 5913, 9747, 12483, 13851, 17739, 26353, 29241, 37449, 53217, 79059, 87723, 112347, 237177, 263169, 337041, 711531, 1011123, 2134593, 6403779, 19211337]

約数ペア:

[(1, 19211337), (3, 6403779), (9, 2134593), (19, 1011123), (27, 711531), (57, 337041), (73, 263169), (81, 237177), (171, 112347), (219, 87723), (243, 79059), (361, 53217), (513, 37449), (657, 29241), (729, 26353), (1083, 17739), (1387, 13851), (1539, 12483), (1971, 9747), (3249, 5913), (4161, 4617)]