1898996816

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{290189}}^1$

素因数の和:290606

約数の個数: 20

約数和(自身を含む): 3688314900

約数和(自身を除く): 1789318084

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 290189, 580378, 1160756, 2321512, 4643024, 118687301, 237374602, 474749204, 949498408, 1898996816]

約数ペア:

[(1, 1898996816), (2, 949498408), (4, 474749204), (8, 237374602), (16, 118687301), (409, 4643024), (818, 2321512), (1636, 1160756), (3272, 580378), (6544, 290189)]