19887027

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4973}}^1$

素因数の和:5050

約数の個数: 16

約数和(自身を含む): 28013568

約数和(自身を除く): 8126541

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4973, 14919, 154163, 213839, 462489, 641517, 6629009, 19887027]

約数ペア:

[(1, 19887027), (3, 6629009), (31, 641517), (43, 462489), (93, 213839), (129, 154163), (1333, 14919), (3999, 4973)]