18215918

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{30259}}^1$

素因数の和:30311

約数の個数: 16

約数和(自身を含む): 31954560

約数和(自身を除く): 13738642

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 30259, 60518, 211813, 423626, 1301137, 2602274, 9107959, 18215918]

約数ペア:

[(1, 18215918), (2, 9107959), (7, 2602274), (14, 1301137), (43, 423626), (86, 211813), (301, 60518), (602, 30259)]