19798149

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55457}}^1$

素因数の和:55484

約数の個数: 16

約数和(自身を含む): 31943808

約数和(自身を除く): 12145659

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55457, 166371, 388199, 942769, 1164597, 2828307, 6599383, 19798149]

約数ペア:

[(1, 19798149), (3, 6599383), (7, 2828307), (17, 1164597), (21, 942769), (51, 388199), (119, 166371), (357, 55457)]