18720233432

素因数分解:

$2^3\times {\mathrm{565361}}^1\times {\mathrm{4139}}^1$

素因数の和:569506

約数の個数: 16

約数和(自身を含む): 35108980200

約数和(自身を除く): 16388746768

約数列:

[1, 2, 4, 8, 4139, 8278, 16556, 33112, 565361, 1130722, 2261444, 4522888, 2340029179, 4680058358, 9360116716, 18720233432]

約数ペア:

[(1, 18720233432), (2, 9360116716), (4, 4680058358), (8, 2340029179), (4139, 4522888), (8278, 2261444), (16556, 1130722), (33112, 565361)]