18912990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{630433}}^1$

素因数の和:630443

約数の個数: 16

約数和(自身を含む): 45391248

約数和(自身を除く): 26478258

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 630433, 1260866, 1891299, 3152165, 3782598, 6304330, 9456495, 18912990]

約数ペア:

[(1, 18912990), (2, 9456495), (3, 6304330), (5, 3782598), (6, 3152165), (10, 1891299), (15, 1260866), (30, 630433)]