19882808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225941}}^1$

素因数の和:225958

約数の個数: 16

約数和(自身を含む): 40669560

約数和(自身を除く): 20786752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225941, 451882, 903764, 1807528, 2485351, 4970702, 9941404, 19882808]

約数ペア:

[(1, 19882808), (2, 9941404), (4, 4970702), (8, 2485351), (11, 1807528), (22, 903764), (44, 451882), (88, 225941)]