18920670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{630689}}^1$

素因数の和:630699

約数の個数: 16

約数和(自身を含む): 45409680

約数和(自身を除く): 26489010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 630689, 1261378, 1892067, 3153445, 3784134, 6306890, 9460335, 18920670]

約数ペア:

[(1, 18920670), (2, 9460335), (3, 6306890), (5, 3784134), (6, 3153445), (10, 1892067), (15, 1261378), (30, 630689)]