19998951

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{32839}}^1$

素因数の和:32878

約数の個数: 16

約数和(自身を含む): 31526400

約数和(自身を除く): 11527449

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 32839, 98517, 229873, 689619, 952331, 2856993, 6666317, 19998951]

約数ペア:

[(1, 19998951), (3, 6666317), (7, 2856993), (21, 952331), (29, 689619), (87, 229873), (203, 98517), (609, 32839)]