18796281

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3943}}^1$

素因数の和:4180

約数の個数: 16

約数和(自身を含む): 28775424

約数和(自身を除く): 9979143

約数列:

[1, 3, 7, 21, 227, 681, 1589, 3943, 4767, 11829, 27601, 82803, 895061, 2685183, 6265427, 18796281]

約数ペア:

[(1, 18796281), (3, 6265427), (7, 2685183), (21, 895061), (227, 82803), (681, 27601), (1589, 11829), (3943, 4767)]