18659284

素因数分解:

$2^2\times 7^1\times {\mathrm{666403}}^1$

素因数の和:666414

約数の個数: 12

約数和(自身を含む): 37318624

約数和(自身を除く): 18659340

約数列:

[1, 2, 4, 7, 14, 28, 666403, 1332806, 2665612, 4664821, 9329642, 18659284]

約数ペア:

[(1, 18659284), (2, 9329642), (4, 4664821), (7, 2665612), (14, 1332806), (28, 666403)]