20189984554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1\times {\mathrm{2441}}^1$

素因数の和:3478

約数の個数: 32

約数和(自身を含む): 32040993600

約数和(自身を除く): 11851009046

約数列:

[1, 2, 19, 38, 307, 614, 709, 1418, 2441, 4882, 5833, 11666, 13471, 26942, 46379, 92758, 217663, 435326, 749387, 1498774, 1730669, 3461338, 4135597, 8271194, 14238353, 28476706, 32882711, 65765422, 531315383, 1062630766, 10094992277, 20189984554]

約数ペア:

[(1, 20189984554), (2, 10094992277), (19, 1062630766), (38, 531315383), (307, 65765422), (614, 32882711), (709, 28476706), (1418, 14238353), (2441, 8271194), (4882, 4135597), (5833, 3461338), (11666, 1730669), (13471, 1498774), (26942, 749387), (46379, 435326), (92758, 217663)]