19509842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{38557}}^1$

素因数の和:38593

約数の個数: 16

約数和(自身を含む): 33314112

約数和(自身を除く): 13804270

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 38557, 77114, 424127, 848254, 886811, 1773622, 9754921, 19509842]

約数ペア:

[(1, 19509842), (2, 9754921), (11, 1773622), (22, 886811), (23, 848254), (46, 424127), (253, 77114), (506, 38557)]