19540786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7873}}^1$

素因数の和:7965

約数の個数: 16

約数和(自身を含む): 31464504

約数和(自身を除く): 11923718

約数列:

[1, 2, 17, 34, 73, 146, 1241, 2482, 7873, 15746, 133841, 267682, 574729, 1149458, 9770393, 19540786]

約数ペア:

[(1, 19540786), (2, 9770393), (17, 1149458), (34, 574729), (73, 267682), (146, 133841), (1241, 15746), (2482, 7873)]