19390450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20411}}^1$

素因数の和:20442

約数の個数: 24

約数和(自身を含む): 37966320

約数和(自身を除く): 18575870

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 20411, 40822, 102055, 204110, 387809, 510275, 775618, 1020550, 1939045, 3878090, 9695225, 19390450]

約数ペア:

[(1, 19390450), (2, 9695225), (5, 3878090), (10, 1939045), (19, 1020550), (25, 775618), (38, 510275), (50, 387809), (95, 204110), (190, 102055), (475, 40822), (950, 20411)]