18868780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134777}}^1$

素因数の和:134793

約数の個数: 24

約数和(自身を含む): 45285408

約数和(自身を除く): 26416628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134777, 269554, 539108, 673885, 943439, 1347770, 1886878, 2695540, 3773756, 4717195, 9434390, 18868780]

約数ペア:

[(1, 18868780), (2, 9434390), (4, 4717195), (5, 3773756), (7, 2695540), (10, 1886878), (14, 1347770), (20, 943439), (28, 673885), (35, 539108), (70, 269554), (140, 134777)]