18906159

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 9605841

約数列:

[1, 3, 17, 19, 51, 57, 109, 179, 323, 327, 537, 969, 1853, 2071, 3043, 3401, 5559, 6213, 9129, 10203, 19511, 35207, 57817, 58533, 105621, 173451, 331687, 370709, 995061, 1112127, 6302053, 18906159]

約数ペア:

[(1, 18906159), (3, 6302053), (17, 1112127), (19, 995061), (51, 370709), (57, 331687), (109, 173451), (179, 105621), (323, 58533), (327, 57817), (537, 35207), (969, 19511), (1853, 10203), (2071, 9129), (3043, 6213), (3401, 5559)]