19221136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109211}}^1$

素因数の和:109230

約数の個数: 20

約数和(自身を含む): 40626864

約数和(自身を除く): 21405728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109211, 218422, 436844, 873688, 1201321, 1747376, 2402642, 4805284, 9610568, 19221136]

約数ペア:

[(1, 19221136), (2, 9610568), (4, 4805284), (8, 2402642), (11, 1747376), (16, 1201321), (22, 873688), (44, 436844), (88, 218422), (176, 109211)]