19976176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113501}}^1$

素因数の和:113520

約数の個数: 20

約数和(自身を含む): 42222744

約数和(自身を除く): 22246568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113501, 227002, 454004, 908008, 1248511, 1816016, 2497022, 4994044, 9988088, 19976176]

約数ペア:

[(1, 19976176), (2, 9988088), (4, 4994044), (8, 2497022), (11, 1816016), (16, 1248511), (22, 908008), (44, 454004), (88, 227002), (176, 113501)]