19715278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 14706482

約数列:

[1, 2, 11, 22, 23, 46, 47, 94, 253, 506, 517, 829, 1034, 1081, 1658, 2162, 9119, 11891, 18238, 19067, 23782, 38134, 38963, 77926, 209737, 419474, 428593, 857186, 896149, 1792298, 9857639, 19715278]

約数ペア:

[(1, 19715278), (2, 9857639), (11, 1792298), (22, 896149), (23, 857186), (46, 428593), (47, 419474), (94, 209737), (253, 77926), (506, 38963), (517, 38134), (829, 23782), (1034, 19067), (1081, 18238), (1658, 11891), (2162, 9119)]