18471760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10039}}^1$

素因数の和:10075

約数の個数: 40

約数和(自身を含む): 44818560

約数和(自身を除く): 26346800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10039, 20078, 40156, 50195, 80312, 100390, 160624, 200780, 230897, 401560, 461794, 803120, 923588, 1154485, 1847176, 2308970, 3694352, 4617940, 9235880, 18471760]

約数ペア:

[(1, 18471760), (2, 9235880), (4, 4617940), (5, 3694352), (8, 2308970), (10, 1847176), (16, 1154485), (20, 923588), (23, 803120), (40, 461794), (46, 401560), (80, 230897), (92, 200780), (115, 160624), (184, 100390), (230, 80312), (368, 50195), (460, 40156), (920, 20078), (1840, 10039)]