19404086360

素因数分解:

$2^3\times 5^1\times {\mathrm{485102159}}^1$

素因数の和:485102170

約数の個数: 16

約数和(自身を含む): 43659194400

約数和(自身を除く): 24255108040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 485102159, 970204318, 1940408636, 2425510795, 3880817272, 4851021590, 9702043180, 19404086360]

約数ペア:

[(1, 19404086360), (2, 9702043180), (4, 4851021590), (5, 3880817272), (8, 2425510795), (10, 1940408636), (20, 970204318), (40, 485102159)]