19602225

素因数分解:

$3^2\times 5^2\times {\mathrm{87121}}^1$

素因数の和:87137

約数の個数: 18

約数和(自身を含む): 35110166

約数和(自身を除く): 15507941

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 87121, 261363, 435605, 784089, 1306815, 2178025, 3920445, 6534075, 19602225]

約数ペア:

[(1, 19602225), (3, 6534075), (5, 3920445), (9, 2178025), (15, 1306815), (25, 784089), (45, 435605), (75, 261363), (225, 87121)]