18542380

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{3347}}^1$

素因数の和:3633

約数の個数: 24

約数和(自身を含む): 39091248

約数和(自身を除く): 20548868

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 3347, 5540, 6694, 13388, 16735, 33470, 66940, 927119, 1854238, 3708476, 4635595, 9271190, 18542380]

約数ペア:

[(1, 18542380), (2, 9271190), (4, 4635595), (5, 3708476), (10, 1854238), (20, 927119), (277, 66940), (554, 33470), (1108, 16735), (1385, 13388), (2770, 6694), (3347, 5540)]