18137240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41221}}^1$

素因数の和:41243

約数の個数: 32

約数和(自身を含む): 44519760

約数和(自身を除く): 26382520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41221, 82442, 164884, 206105, 329768, 412210, 453431, 824420, 906862, 1648840, 1813724, 2267155, 3627448, 4534310, 9068620, 18137240]

約数ペア:

[(1, 18137240), (2, 9068620), (4, 4534310), (5, 3627448), (8, 2267155), (10, 1813724), (11, 1648840), (20, 906862), (22, 824420), (40, 453431), (44, 412210), (55, 329768), (88, 206105), (110, 164884), (220, 82442), (440, 41221)]