18475336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3045

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 19860344

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 2957, 3124, 5914, 6248, 11828, 23656, 32527, 65054, 130108, 209947, 260216, 419894, 839788, 1679576, 2309417, 4618834, 9237668, 18475336]

約数ペア:

[(1, 18475336), (2, 9237668), (4, 4618834), (8, 2309417), (11, 1679576), (22, 839788), (44, 419894), (71, 260216), (88, 209947), (142, 130108), (284, 65054), (568, 32527), (781, 23656), (1562, 11828), (2957, 6248), (3124, 5914)]