19135864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2153}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 39547440

約数和(自身を除く): 20411576

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2153, 2222, 4306, 4444, 8612, 8888, 17224, 23683, 47366, 94732, 189464, 217453, 434906, 869812, 1739624, 2391983, 4783966, 9567932, 19135864]

約数ペア:

[(1, 19135864), (2, 9567932), (4, 4783966), (8, 2391983), (11, 1739624), (22, 869812), (44, 434906), (88, 217453), (101, 189464), (202, 94732), (404, 47366), (808, 23683), (1111, 17224), (2153, 8888), (2222, 8612), (4306, 4444)]