818672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2720

約数の個数: 20

約数和(自身を含む): 1670280

約数和(自身を除く): 851608

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2693, 5386, 10772, 21544, 43088, 51167, 102334, 204668, 409336, 818672]

約数ペア:

[(1, 818672), (2, 409336), (4, 204668), (8, 102334), (16, 51167), (19, 43088), (38, 21544), (76, 10772), (152, 5386), (304, 2693)]