19503356

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{887}}^1$

素因数の和:1153

約数の個数: 24

約数和(自身を含む): 35804160

約数和(自身を除く): 16300804

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 887, 956, 1774, 3548, 5497, 10994, 20401, 21988, 40802, 81604, 211993, 423986, 847972, 4875839, 9751678, 19503356]

約数ペア:

[(1, 19503356), (2, 9751678), (4, 4875839), (23, 847972), (46, 423986), (92, 211993), (239, 81604), (478, 40802), (887, 21988), (956, 20401), (1774, 10994), (3548, 5497)]