18564642

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1609}}^1$

素因数の和:2258

約数の個数: 24

約数和(自身を含む): 40311180

約数和(自身を除く): 21746538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1609, 1923, 3218, 3846, 4827, 5769, 9654, 11538, 14481, 28962, 1031369, 2062738, 3094107, 6188214, 9282321, 18564642]

約数ペア:

[(1, 18564642), (2, 9282321), (3, 6188214), (6, 3094107), (9, 2062738), (18, 1031369), (641, 28962), (1282, 14481), (1609, 11538), (1923, 9654), (3218, 5769), (3846, 4827)]