19961086

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1861}}^1$

素因数の和:2067

約数の個数: 16

約数和(自身を含む): 31102848

約数和(自身を除く): 11141762

約数列:

[1, 2, 31, 62, 173, 346, 1861, 3722, 5363, 10726, 57691, 115382, 321953, 643906, 9980543, 19961086]

約数ペア:

[(1, 19961086), (2, 9980543), (31, 643906), (62, 321953), (173, 115382), (346, 57691), (1861, 10726), (3722, 5363)]