19080580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23269}}^1$

素因数の和:23319

約数の個数: 24

約数和(自身を含む): 41048280

約数和(自身を除く): 21967700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23269, 46538, 93076, 116345, 232690, 465380, 954029, 1908058, 3816116, 4770145, 9540290, 19080580]

約数ペア:

[(1, 19080580), (2, 9540290), (4, 4770145), (5, 3816116), (10, 1908058), (20, 954029), (41, 465380), (82, 232690), (164, 116345), (205, 93076), (410, 46538), (820, 23269)]