18245727

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 27799200

約数和(自身を除く): 9553473

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1319, 1537, 3957, 4611, 11871, 13833, 38251, 69907, 114753, 209721, 344259, 629163, 2027303, 6081909, 18245727]

約数ペア:

[(1, 18245727), (3, 6081909), (9, 2027303), (29, 629163), (53, 344259), (87, 209721), (159, 114753), (261, 69907), (477, 38251), (1319, 13833), (1537, 11871), (3957, 4611)]