18758157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 29911680

約数和(自身を除く): 11153523

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 187, 319, 493, 561, 957, 1153, 1479, 3459, 5423, 12683, 16269, 19601, 33437, 38049, 58803, 100311, 215611, 367807, 568429, 646833, 1103421, 1705287, 6252719, 18758157]

約数ペア:

[(1, 18758157), (3, 6252719), (11, 1705287), (17, 1103421), (29, 646833), (33, 568429), (51, 367807), (87, 215611), (187, 100311), (319, 58803), (493, 38049), (561, 33437), (957, 19601), (1153, 16269), (1479, 12683), (3459, 5423)]