18157020189

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78601819}}^1$

素因数の和:78601840

約数の個数: 16

約数和(自身を含む): 30183098880

約数和(自身を除く): 12026078691

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 78601819, 235805457, 550212733, 864620009, 1650638199, 2593860027, 6052340063, 18157020189]

約数ペア:

[(1, 18157020189), (3, 6052340063), (7, 2593860027), (11, 1650638199), (21, 864620009), (33, 550212733), (77, 235805457), (231, 78601819)]