18256779

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29399}}^1$

素因数の和:29431

約数の個数: 16

約数和(自身を含む): 28224000

約数和(自身を除く): 9967221

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 29399, 88197, 264591, 676177, 793773, 2028531, 6085593, 18256779]

約数ペア:

[(1, 18256779), (3, 6085593), (9, 2028531), (23, 793773), (27, 676177), (69, 264591), (207, 88197), (621, 29399)]