19695412

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40693}}^1$

素因数の和:40719

約数の個数: 18

約数和(自身を含む): 37886114

約数和(自身を除く): 18190702

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40693, 81386, 162772, 447623, 895246, 1790492, 4923853, 9847706, 19695412]

約数ペア:

[(1, 19695412), (2, 9847706), (4, 4923853), (11, 1790492), (22, 895246), (44, 447623), (121, 162772), (242, 81386), (484, 40693)]