19597940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57641}}^1$

素因数の和:57667

約数の個数: 24

約数和(自身を含む): 43577352

約数和(自身を除く): 23979412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57641, 115282, 230564, 288205, 576410, 979897, 1152820, 1959794, 3919588, 4899485, 9798970, 19597940]

約数ペア:

[(1, 19597940), (2, 9798970), (4, 4899485), (5, 3919588), (10, 1959794), (17, 1152820), (20, 979897), (34, 576410), (68, 288205), (85, 230564), (170, 115282), (340, 57641)]