17689426

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 27428544

約数和(自身を除く): 9739118

約数列:

[1, 2, 43, 86, 103, 206, 1997, 3994, 4429, 8858, 85871, 171742, 205691, 411382, 8844713, 17689426]

約数ペア:

[(1, 17689426), (2, 8844713), (43, 411382), (86, 205691), (103, 171742), (206, 85871), (1997, 8858), (3994, 4429)]