19945683

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 30284800

約数和(自身を除く): 10339117

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 1039, 2133, 3117, 6399, 9351, 19197, 28053, 82081, 84159, 246243, 252477, 738729, 2216187, 6648561, 19945683]

約数ペア:

[(1, 19945683), (3, 6648561), (9, 2216187), (27, 738729), (79, 252477), (81, 246243), (237, 84159), (243, 82081), (711, 28053), (1039, 19197), (2133, 9351), (3117, 6399)]