18574072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2543}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 19891208

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 166, 332, 664, 913, 1826, 2543, 3652, 5086, 7304, 10172, 20344, 27973, 55946, 111892, 211069, 223784, 422138, 844276, 1688552, 2321759, 4643518, 9287036, 18574072]

約数ペア:

[(1, 18574072), (2, 9287036), (4, 4643518), (8, 2321759), (11, 1688552), (22, 844276), (44, 422138), (83, 223784), (88, 211069), (166, 111892), (332, 55946), (664, 27973), (913, 20344), (1826, 10172), (2543, 7304), (3652, 5086)]