19811243858

素因数分解:

$2^1\times 7^1\times {\mathrm{2647}}^1\times {\mathrm{534601}}^1$

素因数の和:537257

約数の個数: 16

約数和(自身を含む): 33975026304

約数和(自身を除く): 14163782446

約数列:

[1, 2, 7, 14, 2647, 5294, 18529, 37058, 534601, 1069202, 3742207, 7484414, 1415088847, 2830177694, 9905621929, 19811243858]

約数ペア:

[(1, 19811243858), (2, 9905621929), (7, 2830177694), (14, 1415088847), (2647, 7484414), (5294, 3742207), (18529, 1069202), (37058, 534601)]