18679149

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 27885312

約数和(自身を除く): 9206163

約数列:

[1, 3, 9, 41, 123, 223, 227, 369, 669, 681, 2007, 2043, 9143, 9307, 27429, 27921, 50621, 82287, 83763, 151863, 455589, 2075461, 6226383, 18679149]

約数ペア:

[(1, 18679149), (3, 6226383), (9, 2075461), (41, 455589), (123, 151863), (223, 83763), (227, 82287), (369, 50621), (669, 27921), (681, 27429), (2007, 9307), (2043, 9143)]