19918954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47653}}^1$

素因数の和:47685

約数の個数: 16

約数和(自身を含む): 34310880

約数和(自身を除く): 14391926

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 47653, 95306, 524183, 905407, 1048366, 1810814, 9959477, 19918954]

約数ペア:

[(1, 19918954), (2, 9959477), (11, 1810814), (19, 1048366), (22, 905407), (38, 524183), (209, 95306), (418, 47653)]