18532880

素因数分解:

$2^4\times 5^1\times {\mathrm{231661}}^1$

素因数の和:231674

約数の個数: 20

約数和(自身を含む): 43089132

約数和(自身を除く): 24556252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231661, 463322, 926644, 1158305, 1853288, 2316610, 3706576, 4633220, 9266440, 18532880]

約数ペア:

[(1, 18532880), (2, 9266440), (4, 4633220), (5, 3706576), (8, 2316610), (10, 1853288), (16, 1158305), (20, 926644), (40, 463322), (80, 231661)]