19976684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54881}}^1$

素因数の和:54905

約数の個数: 24

約数和(自身を含む): 43027488

約数和(自身を除く): 23050804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54881, 109762, 219524, 384167, 713453, 768334, 1426906, 1536668, 2853812, 4994171, 9988342, 19976684]

約数ペア:

[(1, 19976684), (2, 9988342), (4, 4994171), (7, 2853812), (13, 1536668), (14, 1426906), (26, 768334), (28, 713453), (52, 384167), (91, 219524), (182, 109762), (364, 54881)]