19639764

素因数分解:

$2^2\times 3^2\times {\mathrm{545549}}^1$

素因数の和:545559

約数の個数: 18

約数和(自身を含む): 49645050

約数和(自身を除く): 30005286

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 545549, 1091098, 1636647, 2182196, 3273294, 4909941, 6546588, 9819882, 19639764]

約数ペア:

[(1, 19639764), (2, 9819882), (3, 6546588), (4, 4909941), (6, 3273294), (9, 2182196), (12, 1636647), (18, 1091098), (36, 545549)]