18797121

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17551}}^1$

素因数の和:17581

約数の個数: 24

約数和(自身を含む): 32857344

約数和(自身を除く): 14060223

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17551, 52653, 122857, 157959, 298367, 368571, 895101, 1105713, 2088569, 2685303, 6265707, 18797121]

約数ペア:

[(1, 18797121), (3, 6265707), (7, 2685303), (9, 2088569), (17, 1105713), (21, 895101), (51, 368571), (63, 298367), (119, 157959), (153, 122857), (357, 52653), (1071, 17551)]