18281990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{96221}}^1$

素因数の和:96247

約数の個数: 16

約数和(自身を含む): 34639920

約数和(自身を除く): 16357930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 96221, 192442, 481105, 962210, 1828199, 3656398, 9140995, 18281990]

約数ペア:

[(1, 18281990), (2, 9140995), (5, 3656398), (10, 1828199), (19, 962210), (38, 481105), (95, 192442), (190, 96221)]