19577965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20939}}^1$

素因数の和:20972

約数の個数: 16

約数和(自身を含む): 27138240

約数和(自身を除く): 7560275

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20939, 104695, 230329, 355963, 1151645, 1779815, 3915593, 19577965]

約数ペア:

[(1, 19577965), (5, 3915593), (11, 1779815), (17, 1151645), (55, 355963), (85, 230329), (187, 104695), (935, 20939)]