18408945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28541}}^1$

素因数の和:28592

約数の個数: 16

約数和(自身を含む): 30140352

約数和(自身を除く): 11731407

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 28541, 85623, 142705, 428115, 1227263, 3681789, 6136315, 18408945]

約数ペア:

[(1, 18408945), (3, 6136315), (5, 3681789), (15, 1227263), (43, 428115), (129, 142705), (215, 85623), (645, 28541)]