19910042

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1033}}^1$

素因数の和:1477

約数の個数: 16

約数和(自身を含む): 31268160

約数和(自身を除く): 11358118

約数列:

[1, 2, 23, 46, 419, 838, 1033, 2066, 9637, 19274, 23759, 47518, 432827, 865654, 9955021, 19910042]

約数ペア:

[(1, 19910042), (2, 9955021), (23, 865654), (46, 432827), (419, 47518), (838, 23759), (1033, 19274), (2066, 9637)]