18843716

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 15750844

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 857, 956, 1714, 3428, 5497, 10994, 19711, 21988, 39422, 78844, 204823, 409646, 819292, 4710929, 9421858, 18843716]

約数ペア:

[(1, 18843716), (2, 9421858), (4, 4710929), (23, 819292), (46, 409646), (92, 204823), (239, 78844), (478, 39422), (857, 21988), (956, 19711), (1714, 10994), (3428, 5497)]