18983907

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5843}}^1$

素因数の和:5887

約数の個数: 18

約数和(自身を含む): 28945332

約数和(自身を除く): 9961425

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5843, 17529, 52587, 111017, 333051, 999153, 2109323, 6327969, 18983907]

約数ペア:

[(1, 18983907), (3, 6327969), (9, 2109323), (19, 999153), (57, 333051), (171, 111017), (361, 52587), (1083, 17529), (3249, 5843)]