18645438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443939}}^1$

素因数の和:443951

約数の個数: 16

約数和(自身を含む): 42618240

約数和(自身を除く): 23972802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443939, 887878, 1331817, 2663634, 3107573, 6215146, 9322719, 18645438]

約数ペア:

[(1, 18645438), (2, 9322719), (3, 6215146), (6, 3107573), (7, 2663634), (14, 1331817), (21, 887878), (42, 443939)]