18897382

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31391}}^1$

素因数の和:31443

約数の個数: 16

約数和(自身を含む): 33149952

約数和(自身を除く): 14252570

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 31391, 62782, 219737, 439474, 1349813, 2699626, 9448691, 18897382]

約数ペア:

[(1, 18897382), (2, 9448691), (7, 2699626), (14, 1349813), (43, 439474), (86, 219737), (301, 62782), (602, 31391)]