18756009

素因数分解:

$3^3\times {\mathrm{191}}^1\times {\mathrm{3637}}^1$

素因数の和:3837

約数の個数: 16

約数和(自身を含む): 27939840

約数和(自身を除く): 9183831

約数列:

[1, 3, 9, 27, 191, 573, 1719, 3637, 5157, 10911, 32733, 98199, 694667, 2084001, 6252003, 18756009]

約数ペア:

[(1, 18756009), (3, 6252003), (9, 2084001), (27, 694667), (191, 98199), (573, 32733), (1719, 10911), (3637, 5157)]