18881260

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2531}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 39772656

約数和(自身を除く): 20891396

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2531, 3730, 5062, 7460, 10124, 12655, 25310, 50620, 944063, 1888126, 3776252, 4720315, 9440630, 18881260]

約数ペア:

[(1, 18881260), (2, 9440630), (4, 4720315), (5, 3776252), (10, 1888126), (20, 944063), (373, 50620), (746, 25310), (1492, 12655), (1865, 10124), (2531, 7460), (3730, 5062)]