2018355474025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{917549}}^1$

素因数の和:918010

約数の個数: 48

約数和(自身を含む): 2880813384000

約数和(自身を除く): 862457909975

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 421, 475, 1045, 2105, 4631, 5225, 7999, 10525, 23155, 39995, 87989, 115775, 199975, 439945, 917549, 2199725, 4587745, 10093039, 17433431, 22938725, 50465195, 87167155, 191767741, 252325975, 386288129, 435835775, 958838705, 1931440645, 4249169419, 4794193525, 7339474451, 9657203225, 21245847095, 36697372255, 80734218961, 106229235475, 183486861275, 403671094805, 2018355474025]

約数ペア:

[(1, 2018355474025), (5, 403671094805), (11, 183486861275), (19, 106229235475), (25, 80734218961), (55, 36697372255), (95, 21245847095), (209, 9657203225), (275, 7339474451), (421, 4794193525), (475, 4249169419), (1045, 1931440645), (2105, 958838705), (4631, 435835775), (5225, 386288129), (7999, 252325975), (10525, 191767741), (23155, 87167155), (39995, 50465195), (87989, 22938725), (115775, 17433431), (199975, 10093039), (439945, 4587745), (917549, 2199725)]