19183703

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 25297920

約数和(自身を除く): 6114217

約数列:

[1, 7, 11, 29, 71, 77, 121, 203, 319, 497, 781, 847, 1331, 2059, 2233, 3509, 5467, 8591, 9317, 14413, 22649, 24563, 38599, 60137, 94501, 158543, 249139, 270193, 661507, 1743973, 2740529, 19183703]

約数ペア:

[(1, 19183703), (7, 2740529), (11, 1743973), (29, 661507), (71, 270193), (77, 249139), (121, 158543), (203, 94501), (319, 60137), (497, 38599), (781, 24563), (847, 22649), (1331, 14413), (2059, 9317), (2233, 8591), (3509, 5467)]