18921170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111301}}^1$

素因数の和:111325

約数の個数: 16

約数和(自身を含む): 36061848

約数和(自身を除く): 17140678

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 111301, 222602, 556505, 1113010, 1892117, 3784234, 9460585, 18921170]

約数ペア:

[(1, 18921170), (2, 9460585), (5, 3784234), (10, 1892117), (17, 1113010), (34, 556505), (85, 222602), (170, 111301)]