18876969

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{593}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9663543

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 593, 1179, 1779, 3537, 5337, 10611, 16011, 31833, 48033, 77683, 144099, 233049, 699147, 2097441, 6292323, 18876969]

約数ペア:

[(1, 18876969), (3, 6292323), (9, 2097441), (27, 699147), (81, 233049), (131, 144099), (243, 77683), (393, 48033), (593, 31833), (1179, 16011), (1779, 10611), (3537, 5337)]