2019900910

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{314137}}^1$

素因数の和:314787

約数の個数: 16

約数和(自身を含む): 3641487696

約数和(自身を除く): 1621586786

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 314137, 628274, 1570685, 3141370, 201990091, 403980182, 1009950455, 2019900910]

約数ペア:

[(1, 2019900910), (2, 1009950455), (5, 403980182), (10, 201990091), (643, 3141370), (1286, 1570685), (3215, 628274), (6430, 314137)]