19779836

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1117}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 36625680

約数和(自身を除く): 16845844

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 1117, 2234, 4427, 4468, 8854, 17708, 21223, 42446, 84892, 260261, 520522, 1041044, 4944959, 9889918, 19779836]

約数ペア:

[(1, 19779836), (2, 9889918), (4, 4944959), (19, 1041044), (38, 520522), (76, 260261), (233, 84892), (466, 42446), (932, 21223), (1117, 17708), (2234, 8854), (4427, 4468)]