19496660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51307}}^1$

素因数の和:51335

約数の個数: 24

約数和(自身を含む): 43098720

約数和(自身を除く): 23602060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51307, 102614, 205228, 256535, 513070, 974833, 1026140, 1949666, 3899332, 4874165, 9748330, 19496660]

約数ペア:

[(1, 19496660), (2, 9748330), (4, 4874165), (5, 3899332), (10, 1949666), (19, 1026140), (20, 974833), (38, 513070), (76, 256535), (95, 205228), (190, 102614), (380, 51307)]