2019497458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 3331215360

約数和(自身を除く): 1311717902

約数列:

[1, 2, 11, 22, 211, 422, 439, 878, 991, 1982, 2321, 4642, 4829, 9658, 10901, 21802, 92629, 185258, 209101, 418202, 435049, 870098, 1018919, 2037838, 2300111, 4600222, 4785539, 9571078, 91795339, 183590678, 1009748729, 2019497458]

約数ペア:

[(1, 2019497458), (2, 1009748729), (11, 183590678), (22, 91795339), (211, 9571078), (422, 4785539), (439, 4600222), (878, 2300111), (991, 2037838), (1982, 1018919), (2321, 870098), (4642, 435049), (4829, 418202), (9658, 209101), (10901, 185258), (21802, 92629)]