18708340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133631}}^1$

素因数の和:133647

約数の個数: 24

約数和(自身を含む): 44900352

約数和(自身を除く): 26192012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133631, 267262, 534524, 668155, 935417, 1336310, 1870834, 2672620, 3741668, 4677085, 9354170, 18708340]

約数ペア:

[(1, 18708340), (2, 9354170), (4, 4677085), (5, 3741668), (7, 2672620), (10, 1870834), (14, 1336310), (20, 935417), (28, 668155), (35, 534524), (70, 267262), (140, 133631)]