19455568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110543}}^1$

素因数の和:110562

約数の個数: 20

約数和(自身を含む): 41122368

約数和(自身を除く): 21666800

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110543, 221086, 442172, 884344, 1215973, 1768688, 2431946, 4863892, 9727784, 19455568]

約数ペア:

[(1, 19455568), (2, 9727784), (4, 4863892), (8, 2431946), (11, 1768688), (16, 1215973), (22, 884344), (44, 442172), (88, 221086), (176, 110543)]