19781196

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71671}}^1$

素因数の和:71701

約数の個数: 24

約数和(自身を含む): 48163584

約数和(自身を除く): 28382388

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 71671, 143342, 215013, 286684, 430026, 860052, 1648433, 3296866, 4945299, 6593732, 9890598, 19781196]

約数ペア:

[(1, 19781196), (2, 9890598), (3, 6593732), (4, 4945299), (6, 3296866), (12, 1648433), (23, 860052), (46, 430026), (69, 286684), (92, 215013), (138, 143342), (276, 71671)]