18996876369

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{29729071}}^1$

素因数の和:29729148

約数の個数: 12

約数和(自身を含む): 27826411392

約数和(自身を除く): 8829535023

約数列:

[1, 3, 9, 71, 213, 639, 29729071, 89187213, 267561639, 2110764041, 6332292123, 18996876369]

約数ペア:

[(1, 18996876369), (3, 6332292123), (9, 2110764041), (71, 267561639), (213, 89187213), (639, 29729071)]