18107859

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 30818304

約数和(自身を除く): 12710445

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1823, 3311, 5469, 9933, 12761, 20053, 38283, 60159, 78389, 140371, 235167, 421113, 548723, 862279, 1646169, 2586837, 6035953, 18107859]

約数ペア:

[(1, 18107859), (3, 6035953), (7, 2586837), (11, 1646169), (21, 862279), (33, 548723), (43, 421113), (77, 235167), (129, 140371), (231, 78389), (301, 60159), (473, 38283), (903, 20053), (1419, 12761), (1823, 9933), (3311, 5469)]