18630891

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3433}}^1$

素因数の和:3512

約数の個数: 20

約数和(自身を含む): 28254952

約数和(自身を除く): 9624061

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3433, 5427, 10299, 30897, 92691, 230011, 278073, 690033, 2070099, 6210297, 18630891]

約数ペア:

[(1, 18630891), (3, 6210297), (9, 2070099), (27, 690033), (67, 278073), (81, 230011), (201, 92691), (603, 30897), (1809, 10299), (3433, 5427)]