18961749

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 30096000

約数和(自身を除く): 11134251

約数列:

[1, 3, 9, 17, 27, 51, 109, 153, 327, 379, 459, 981, 1137, 1853, 2943, 3411, 5559, 6443, 10233, 16677, 19329, 41311, 50031, 57987, 123933, 173961, 371799, 702287, 1115397, 2106861, 6320583, 18961749]

約数ペア:

[(1, 18961749), (3, 6320583), (9, 2106861), (17, 1115397), (27, 702287), (51, 371799), (109, 173961), (153, 123933), (327, 57987), (379, 50031), (459, 41311), (981, 19329), (1137, 16677), (1853, 10233), (2943, 6443), (3411, 5559)]