18121986

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7243}}^1$

素因数の和:7390

約数の個数: 24

約数和(自身を含む): 39552240

約数和(自身を除く): 21430254

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7243, 14486, 21729, 43458, 65187, 130374, 1006777, 2013554, 3020331, 6040662, 9060993, 18121986]

約数ペア:

[(1, 18121986), (2, 9060993), (3, 6040662), (6, 3020331), (9, 2013554), (18, 1006777), (139, 130374), (278, 65187), (417, 43458), (834, 21729), (1251, 14486), (2502, 7243)]