18949977

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 29145600

約数和(自身を除く): 10195623

約数列:

[1, 3, 9, 27, 47, 109, 137, 141, 327, 411, 423, 981, 1233, 1269, 2943, 3699, 5123, 6439, 14933, 15369, 19317, 44799, 46107, 57951, 134397, 138321, 173853, 403191, 701851, 2105553, 6316659, 18949977]

約数ペア:

[(1, 18949977), (3, 6316659), (9, 2105553), (27, 701851), (47, 403191), (109, 173853), (137, 138321), (141, 134397), (327, 57951), (411, 46107), (423, 44799), (981, 19317), (1233, 15369), (1269, 14933), (2943, 6439), (3699, 5123)]