19860345

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4049}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 34749000

約数和(自身を除く): 14888655

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4049, 4905, 12147, 20245, 36441, 60735, 182205, 441341, 1324023, 2206705, 3972069, 6620115, 19860345]

約数ペア:

[(1, 19860345), (3, 6620115), (5, 3972069), (9, 2206705), (15, 1324023), (45, 441341), (109, 182205), (327, 60735), (545, 36441), (981, 20245), (1635, 12147), (4049, 4905)]