19909208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226241}}^1$

素因数の和:226258

約数の個数: 16

約数和(自身を含む): 40723560

約数和(自身を除く): 20814352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226241, 452482, 904964, 1809928, 2488651, 4977302, 9954604, 19909208]

約数ペア:

[(1, 19909208), (2, 9954604), (4, 4977302), (8, 2488651), (11, 1809928), (22, 904964), (44, 452482), (88, 226241)]