18234328

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{907}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 39225600

約数和(自身を除く): 20991272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 907, 1436, 1814, 2513, 2872, 3628, 5026, 6349, 7256, 10052, 12698, 20104, 25396, 50792, 325613, 651226, 1302452, 2279291, 2604904, 4558582, 9117164, 18234328]

約数ペア:

[(1, 18234328), (2, 9117164), (4, 4558582), (7, 2604904), (8, 2279291), (14, 1302452), (28, 651226), (56, 325613), (359, 50792), (718, 25396), (907, 20104), (1436, 12698), (1814, 10052), (2513, 7256), (2872, 6349), (3628, 5026)]