19129725

素因数分解:

$3^2\times 5^2\times {\mathrm{85021}}^1$

素因数の和:85037

約数の個数: 18

約数和(自身を含む): 34263866

約数和(自身を除く): 15134141

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 85021, 255063, 425105, 765189, 1275315, 2125525, 3825945, 6376575, 19129725]

約数ペア:

[(1, 19129725), (3, 6376575), (5, 3825945), (9, 2125525), (15, 1275315), (25, 765189), (45, 425105), (75, 255063), (225, 85021)]