18079952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2389}}^1$

素因数の和:2451

約数の個数: 40

約数和(自身を含む): 39119520

約数和(自身を除く): 21039568

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2389, 3784, 4778, 7568, 9556, 19112, 26279, 38224, 52558, 102727, 105116, 205454, 210232, 410908, 420464, 821816, 1129997, 1643632, 2259994, 4519988, 9039976, 18079952]

約数ペア:

[(1, 18079952), (2, 9039976), (4, 4519988), (8, 2259994), (11, 1643632), (16, 1129997), (22, 821816), (43, 420464), (44, 410908), (86, 210232), (88, 205454), (172, 105116), (176, 102727), (344, 52558), (473, 38224), (688, 26279), (946, 19112), (1892, 9556), (2389, 7568), (3784, 4778)]