19937061

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3817

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 11362779

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3761, 5301, 11283, 33849, 71459, 116591, 214377, 349773, 643131, 1049319, 2215229, 6645687, 19937061]

約数ペア:

[(1, 19937061), (3, 6645687), (9, 2215229), (19, 1049319), (31, 643131), (57, 349773), (93, 214377), (171, 116591), (279, 71459), (589, 33849), (1767, 11283), (3761, 5301)]