18266607

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 28728000

約数和(自身を除く): 10461393

約数列:

[1, 3, 9, 27, 29, 41, 87, 123, 261, 369, 569, 783, 1107, 1189, 1707, 3567, 5121, 10701, 15363, 16501, 23329, 32103, 49503, 69987, 148509, 209961, 445527, 629883, 676541, 2029623, 6088869, 18266607]

約数ペア:

[(1, 18266607), (3, 6088869), (9, 2029623), (27, 676541), (29, 629883), (41, 445527), (87, 209961), (123, 148509), (261, 69987), (369, 49503), (569, 32103), (783, 23329), (1107, 16501), (1189, 15363), (1707, 10701), (3567, 5121)]