19388786

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1721}}^1$

素因数の和:1897

約数の個数: 16

約数和(自身を含む): 30004128

約数和(自身を除く): 10615342

約数列:

[1, 2, 43, 86, 131, 262, 1721, 3442, 5633, 11266, 74003, 148006, 225451, 450902, 9694393, 19388786]

約数ペア:

[(1, 19388786), (2, 9694393), (43, 450902), (86, 225451), (131, 148006), (262, 74003), (1721, 11266), (3442, 5633)]