18708380

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{1301}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 20664100

約数列:

[1, 2, 4, 5, 10, 20, 719, 1301, 1438, 2602, 2876, 3595, 5204, 6505, 7190, 13010, 14380, 26020, 935419, 1870838, 3741676, 4677095, 9354190, 18708380]

約数ペア:

[(1, 18708380), (2, 9354190), (4, 4677095), (5, 3741676), (10, 1870838), (20, 935419), (719, 26020), (1301, 14380), (1438, 13010), (2602, 7190), (2876, 6505), (3595, 5204)]