19285540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9941}}^1$

素因数の和:10047

約数の個数: 24

約数和(自身を含む): 40921272

約数和(自身を除く): 21635732

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9941, 19882, 39764, 49705, 99410, 198820, 964277, 1928554, 3857108, 4821385, 9642770, 19285540]

約数ペア:

[(1, 19285540), (2, 9642770), (4, 4821385), (5, 3857108), (10, 1928554), (20, 964277), (97, 198820), (194, 99410), (388, 49705), (485, 39764), (970, 19882), (1940, 9941)]