18906165

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4079}}^1$

素因数の和:4193

約数の個数: 24

約数和(自身を含む): 33096960

約数和(自身を除く): 14190795

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 4079, 4635, 12237, 20395, 36711, 61185, 183555, 420137, 1260411, 2100685, 3781233, 6302055, 18906165]

約数ペア:

[(1, 18906165), (3, 6302055), (5, 3781233), (9, 2100685), (15, 1260411), (45, 420137), (103, 183555), (309, 61185), (515, 36711), (927, 20395), (1545, 12237), (4079, 4635)]