18989212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4273}}^1$

素因数の和:4389

約数の個数: 24

約数和(自身を含む): 36619632

約数和(自身を除く): 17630420

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4273, 4444, 8546, 17092, 47003, 94006, 188012, 431573, 863146, 1726292, 4747303, 9494606, 18989212]

約数ペア:

[(1, 18989212), (2, 9494606), (4, 4747303), (11, 1726292), (22, 863146), (44, 431573), (101, 188012), (202, 94006), (404, 47003), (1111, 17092), (2222, 8546), (4273, 4444)]