19947510149

素因数分解:

$7^1\times {\mathrm{4517}}^1\times {\mathrm{630871}}^1$

素因数の和:635395

約数の個数: 8

約数和(自身を含む): 22802237568

約数和(自身を除く): 2854727419

約数列:

[1, 7, 4517, 31619, 630871, 4416097, 2849644307, 19947510149]

約数ペア:

[(1, 19947510149), (7, 2849644307), (4517, 4416097), (31619, 630871)]