39438010

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{18691}}^1$

素因数の和:18909

約数の個数: 16

約数和(自身を含む): 71328672

約数和(自身を除く): 31890662

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 18691, 37382, 93455, 186910, 3943801, 7887602, 19719005, 39438010]

約数ペア:

[(1, 39438010), (2, 19719005), (5, 7887602), (10, 3943801), (211, 186910), (422, 93455), (1055, 37382), (2110, 18691)]