19080004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{153871}}^1$

素因数の和:153906

約数の個数: 12

約数和(自身を含む): 34467328

約数和(自身を除く): 15387324

約数列:

[1, 2, 4, 31, 62, 124, 153871, 307742, 615484, 4770001, 9540002, 19080004]

約数ペア:

[(1, 19080004), (2, 9540002), (4, 4770001), (31, 615484), (62, 307742), (124, 153871)]