17914960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31991}}^1$

素因数の和:32011

約数の個数: 40

約数和(自身を含む): 47604096

約数和(自身を除く): 29689136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 31991, 63982, 127964, 159955, 223937, 255928, 319910, 447874, 511856, 639820, 895748, 1119685, 1279640, 1791496, 2239370, 2559280, 3582992, 4478740, 8957480, 17914960]

約数ペア:

[(1, 17914960), (2, 8957480), (4, 4478740), (5, 3582992), (7, 2559280), (8, 2239370), (10, 1791496), (14, 1279640), (16, 1119685), (20, 895748), (28, 639820), (35, 511856), (40, 447874), (56, 319910), (70, 255928), (80, 223937), (112, 159955), (140, 127964), (280, 63982), (560, 31991)]