18790540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{40849}}^1$

素因数の和:40881

約数の個数: 24

約数和(自身を含む): 41176800

約数和(自身を除く): 22386260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 40849, 81698, 163396, 204245, 408490, 816980, 939527, 1879054, 3758108, 4697635, 9395270, 18790540]

約数ペア:

[(1, 18790540), (2, 9395270), (4, 4697635), (5, 3758108), (10, 1879054), (20, 939527), (23, 816980), (46, 408490), (92, 204245), (115, 163396), (230, 81698), (460, 40849)]