18407745

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3823}}^1$

素因数の和:3941

約数の個数: 24

約数和(自身を含む): 32213376

約数和(自身を除く): 13805631

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 3823, 4815, 11469, 19115, 34407, 57345, 172035, 409061, 1227183, 2045305, 3681549, 6135915, 18407745]

約数ペア:

[(1, 18407745), (3, 6135915), (5, 3681549), (9, 2045305), (15, 1227183), (45, 409061), (107, 172035), (321, 57345), (535, 34407), (963, 19115), (1605, 11469), (3823, 4815)]