19867128

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{3221}}^1$

素因数の和:3487

約数の個数: 32

約数和(自身を含む): 49876560

約数和(自身を除く): 30009432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 3221, 6168, 6442, 9663, 12884, 19326, 25768, 38652, 77304, 827797, 1655594, 2483391, 3311188, 4966782, 6622376, 9933564, 19867128]

約数ペア:

[(1, 19867128), (2, 9933564), (3, 6622376), (4, 4966782), (6, 3311188), (8, 2483391), (12, 1655594), (24, 827797), (257, 77304), (514, 38652), (771, 25768), (1028, 19326), (1542, 12884), (2056, 9663), (3084, 6442), (3221, 6168)]