18992080

素因数分解:

$2^4\times 5^1\times {\mathrm{237401}}^1$

素因数の和:237414

約数の個数: 20

約数和(自身を含む): 44156772

約数和(自身を除く): 25164692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237401, 474802, 949604, 1187005, 1899208, 2374010, 3798416, 4748020, 9496040, 18992080]

約数ペア:

[(1, 18992080), (2, 9496040), (4, 4748020), (5, 3798416), (8, 2374010), (10, 1899208), (16, 1187005), (20, 949604), (40, 474802), (80, 237401)]