18409499

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 20467200

約数和(自身を除く): 2057701

約数列:

[1, 19, 23, 103, 409, 437, 1957, 2369, 7771, 9407, 42127, 45011, 178733, 800413, 968921, 18409499]

約数ペア:

[(1, 18409499), (19, 968921), (23, 800413), (103, 178733), (409, 45011), (437, 42127), (1957, 9407), (2369, 7771)]