18917066

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9721}}^1$

素因数の和:9869

約数の個数: 16

約数和(自身を含む): 32665920

約数和(自身を除く): 13748854

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9721, 19442, 68047, 136094, 1351219, 2702438, 9458533, 18917066]

約数ペア:

[(1, 18917066), (2, 9458533), (7, 2702438), (14, 1351219), (139, 136094), (278, 68047), (973, 19442), (1946, 9721)]