17996360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10463}}^1$

素因数の和:10517

約数の個数: 32

約数和(自身を含む): 41437440

約数和(自身を除く): 23441080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 10463, 20926, 41852, 52315, 83704, 104630, 209260, 418520, 449909, 899818, 1799636, 2249545, 3599272, 4499090, 8998180, 17996360]

約数ペア:

[(1, 17996360), (2, 8998180), (4, 4499090), (5, 3599272), (8, 2249545), (10, 1799636), (20, 899818), (40, 449909), (43, 418520), (86, 209260), (172, 104630), (215, 83704), (344, 52315), (430, 41852), (860, 20926), (1720, 10463)]