18982845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{8609}}^1$

素因数の和:8634

約数の個数: 36

約数和(自身を含む): 38280060

約数和(自身を除く): 19297215

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 8609, 25827, 43045, 60263, 77481, 129135, 180789, 301315, 387405, 421841, 542367, 903945, 1265523, 2109205, 2711835, 3796569, 6327615, 18982845]

約数ペア:

[(1, 18982845), (3, 6327615), (5, 3796569), (7, 2711835), (9, 2109205), (15, 1265523), (21, 903945), (35, 542367), (45, 421841), (49, 387405), (63, 301315), (105, 180789), (147, 129135), (245, 77481), (315, 60263), (441, 43045), (735, 25827), (2205, 8609)]