18471080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10739}}^1$

素因数の和:10793

約数の個数: 32

約数和(自身を含む): 42530400

約数和(自身を除く): 24059320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10739, 21478, 42956, 53695, 85912, 107390, 214780, 429560, 461777, 923554, 1847108, 2308885, 3694216, 4617770, 9235540, 18471080]

約数ペア:

[(1, 18471080), (2, 9235540), (4, 4617770), (5, 3694216), (8, 2308885), (10, 1847108), (20, 923554), (40, 461777), (43, 429560), (86, 214780), (172, 107390), (215, 85912), (344, 53695), (430, 42956), (860, 21478), (1720, 10739)]