19710292

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9643}}^1$

素因数の和:9727

約数の個数: 24

約数和(自身を含む): 39964736

約数和(自身を除く): 20254444

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9643, 19286, 38572, 67501, 135002, 270004, 703939, 1407878, 2815756, 4927573, 9855146, 19710292]

約数ペア:

[(1, 19710292), (2, 9855146), (4, 4927573), (7, 2815756), (14, 1407878), (28, 703939), (73, 270004), (146, 135002), (292, 67501), (511, 38572), (1022, 19286), (2044, 9643)]