18222970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{42379}}^1$

素因数の和:42429

約数の個数: 16

約数和(自身を含む): 33564960

約数和(自身を除く): 15341990

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 42379, 84758, 211895, 423790, 1822297, 3644594, 9111485, 18222970]

約数ペア:

[(1, 18222970), (2, 9111485), (5, 3644594), (10, 1822297), (43, 423790), (86, 211895), (215, 84758), (430, 42379)]