18870754

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43481}}^1$

素因数の和:43521

約数の個数: 16

約数和(自身を含む): 33394176

約数和(自身を除く): 14523422

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 43481, 86962, 304367, 608734, 1347911, 2695822, 9435377, 18870754]

約数ペア:

[(1, 18870754), (2, 9435377), (7, 2695822), (14, 1347911), (31, 608734), (62, 304367), (217, 86962), (434, 43481)]