19128956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22965124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 173, 308, 346, 359, 692, 718, 1211, 1436, 1903, 2422, 2513, 3806, 3949, 4844, 5026, 7612, 7898, 10052, 13321, 15796, 26642, 27643, 53284, 55286, 62107, 110572, 124214, 248428, 434749, 683177, 869498, 1366354, 1738996, 2732708, 4782239, 9564478, 19128956]

約数ペア:

[(1, 19128956), (2, 9564478), (4, 4782239), (7, 2732708), (11, 1738996), (14, 1366354), (22, 869498), (28, 683177), (44, 434749), (77, 248428), (154, 124214), (173, 110572), (308, 62107), (346, 55286), (359, 53284), (692, 27643), (718, 26642), (1211, 15796), (1436, 13321), (1903, 10052), (2422, 7898), (2513, 7612), (3806, 5026), (3949, 4844)]