18812403

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{39439}}^1$

素因数の和:39498

約数の個数: 12

約数和(自身を含む): 27686880

約数和(自身を除く): 8874477

約数列:

[1, 3, 9, 53, 159, 477, 39439, 118317, 354951, 2090267, 6270801, 18812403]

約数ペア:

[(1, 18812403), (3, 6270801), (9, 2090267), (53, 354951), (159, 118317), (477, 39439)]