18338319

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4817}}^1$

素因数の和:4876

約数の個数: 20

約数和(自身を含む): 27982944

約数和(自身を除く): 9644625

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4817, 14451, 43353, 130059, 226399, 390177, 679197, 2037591, 6112773, 18338319]

約数ペア:

[(1, 18338319), (3, 6112773), (9, 2037591), (27, 679197), (47, 390177), (81, 226399), (141, 130059), (423, 43353), (1269, 14451), (3807, 4817)]