18468639

素因数分解:

$3^2\times 7^2\times {\mathrm{41879}}^1$

素因数の和:41899

約数の個数: 18

約数和(自身を含む): 31033080

約数和(自身を除く): 12564441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41879, 125637, 293153, 376911, 879459, 2052071, 2638377, 6156213, 18468639]

約数ペア:

[(1, 18468639), (3, 6156213), (7, 2638377), (9, 2052071), (21, 879459), (49, 376911), (63, 293153), (147, 125637), (441, 41879)]