19984042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10529}}^1$

素因数の和:10617

約数の個数: 16

約数和(自身を含む): 32727240

約数和(自身を除く): 12743198

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 10529, 21058, 136877, 273754, 768617, 1537234, 9992021, 19984042]

約数ペア:

[(1, 19984042), (2, 9992021), (13, 1537234), (26, 768617), (73, 273754), (146, 136877), (949, 21058), (1898, 10529)]