18990692

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{15773}}^1$

素因数の和:15827

約数の個数: 24

約数和(自身を含む): 38867136

約数和(自身を除く): 19876444

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 15773, 31546, 63092, 110411, 220822, 441644, 678239, 1356478, 2712956, 4747673, 9495346, 18990692]

約数ペア:

[(1, 18990692), (2, 9495346), (4, 4747673), (7, 2712956), (14, 1356478), (28, 678239), (43, 441644), (86, 220822), (172, 110411), (301, 63092), (602, 31546), (1204, 15773)]