18306380

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{1291}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 38527440

約数和(自身を除く): 20221060

約数列:

[1, 2, 4, 5, 10, 20, 709, 1291, 1418, 2582, 2836, 3545, 5164, 6455, 7090, 12910, 14180, 25820, 915319, 1830638, 3661276, 4576595, 9153190, 18306380]

約数ペア:

[(1, 18306380), (2, 9153190), (4, 4576595), (5, 3661276), (10, 1830638), (20, 915319), (709, 25820), (1291, 14180), (1418, 12910), (2582, 7090), (2836, 6455), (3545, 5164)]