18825235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 26889408

約数和(自身を除く): 8064173

約数列:

[1, 5, 11, 13, 55, 65, 113, 143, 233, 565, 715, 1165, 1243, 1469, 2563, 3029, 6215, 7345, 12815, 15145, 16159, 26329, 33319, 80795, 131645, 166595, 289619, 342277, 1448095, 1711385, 3765047, 18825235]

約数ペア:

[(1, 18825235), (5, 3765047), (11, 1711385), (13, 1448095), (55, 342277), (65, 289619), (113, 166595), (143, 131645), (233, 80795), (565, 33319), (715, 26329), (1165, 16159), (1243, 15145), (1469, 12815), (2563, 7345), (3029, 6215)]