1817780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1043

約数の個数: 24

約数和(自身を含む): 3860808

約数和(自身を除く): 2043028

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 937, 970, 1874, 1940, 3748, 4685, 9370, 18740, 90889, 181778, 363556, 454445, 908890, 1817780]

約数ペア:

[(1, 1817780), (2, 908890), (4, 454445), (5, 363556), (10, 181778), (20, 90889), (97, 18740), (194, 9370), (388, 4685), (485, 3748), (937, 1940), (970, 1874)]