90505018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{18181}}^1$

素因数の和:18333

約数の個数: 16

約数和(自身を含む): 144001440

約数和(自身を除く): 53496422

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 18181, 36362, 345439, 690878, 2381711, 4763422, 45252509, 90505018]

約数ペア:

[(1, 90505018), (2, 45252509), (19, 4763422), (38, 2381711), (131, 690878), (262, 345439), (2489, 36362), (4978, 18181)]