18070689

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 30472960

約数和(自身を除く): 12402271

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 1789, 3367, 5367, 10101, 12523, 23257, 37569, 66193, 69771, 162799, 198579, 463351, 488397, 860509, 1390053, 2581527, 6023563, 18070689]

約数ペア:

[(1, 18070689), (3, 6023563), (7, 2581527), (13, 1390053), (21, 860509), (37, 488397), (39, 463351), (91, 198579), (111, 162799), (259, 69771), (273, 66193), (481, 37569), (777, 23257), (1443, 12523), (1789, 10101), (3367, 5367)]