18918158

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28751}}^1$

素因数の和:28807

約数の個数: 16

約数和(自身を含む): 33122304

約数和(自身を除く): 14204146

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 28751, 57502, 201257, 402514, 1351297, 2702594, 9459079, 18918158]

約数ペア:

[(1, 18918158), (2, 9459079), (7, 2702594), (14, 1351297), (47, 402514), (94, 201257), (329, 57502), (658, 28751)]