18042896

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21277}}^1$

素因数の和:21338

約数の個数: 20

約数和(自身を含む): 35619372

約数和(自身を除く): 17576476

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21277, 42554, 85108, 170216, 340432, 1127681, 2255362, 4510724, 9021448, 18042896]

約数ペア:

[(1, 18042896), (2, 9021448), (4, 4510724), (8, 2255362), (16, 1127681), (53, 340432), (106, 170216), (212, 85108), (424, 42554), (848, 21277)]