19724243

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2017}}^1$

素因数の和:2162

約数の個数: 16

約数和(自身を含む): 24797184

約数和(自身を除く): 5072941

約数列:

[1, 7, 11, 77, 127, 889, 1397, 2017, 9779, 14119, 22187, 155309, 256159, 1793113, 2817749, 19724243]

約数ペア:

[(1, 19724243), (7, 2817749), (11, 1793113), (77, 256159), (127, 155309), (889, 22187), (1397, 14119), (2017, 9779)]