18040295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 27525120

約数和(自身を除く): 9484825

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 1279, 2015, 2821, 6395, 8953, 14105, 16627, 39649, 44765, 83135, 116389, 198245, 277543, 515437, 581945, 1387715, 2577185, 3608059, 18040295]

約数ペア:

[(1, 18040295), (5, 3608059), (7, 2577185), (13, 1387715), (31, 581945), (35, 515437), (65, 277543), (91, 198245), (155, 116389), (217, 83135), (403, 44765), (455, 39649), (1085, 16627), (1279, 14105), (2015, 8953), (2821, 6395)]