18519182

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4273}}^1$

素因数の和:4483

約数の個数: 16

約数和(自身を含む): 30465072

約数和(自身を除く): 11945890

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4273, 4334, 8546, 47003, 94006, 841781, 1683562, 9259591, 18519182]

約数ペア:

[(1, 18519182), (2, 9259591), (11, 1683562), (22, 841781), (197, 94006), (394, 47003), (2167, 8546), (4273, 4334)]