18587196

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{991}}^1$

素因数の和:1522

約数の個数: 36

約数和(自身を含む): 47121984

約数和(自身を除く): 28534788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 991, 1042, 1563, 1982, 2084, 2973, 3126, 3964, 4689, 5946, 6252, 8919, 9378, 11892, 17838, 18756, 35676, 516311, 1032622, 1548933, 2065244, 3097866, 4646799, 6195732, 9293598, 18587196]

約数ペア:

[(1, 18587196), (2, 9293598), (3, 6195732), (4, 4646799), (6, 3097866), (9, 2065244), (12, 1548933), (18, 1032622), (36, 516311), (521, 35676), (991, 18756), (1042, 17838), (1563, 11892), (1982, 9378), (2084, 8919), (2973, 6252), (3126, 5946), (3964, 4689)]