19171504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{108929}}^1$

素因数の和:108948

約数の個数: 20

約数和(自身を含む): 40521960

約数和(自身を除く): 21350456

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 108929, 217858, 435716, 871432, 1198219, 1742864, 2396438, 4792876, 9585752, 19171504]

約数ペア:

[(1, 19171504), (2, 9585752), (4, 4792876), (8, 2396438), (11, 1742864), (16, 1198219), (22, 871432), (44, 435716), (88, 217858), (176, 108929)]