15686780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41281}}^1$

素因数の和:41309

約数の個数: 24

約数和(自身を含む): 34676880

約数和(自身を除く): 18990100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 41281, 82562, 165124, 206405, 412810, 784339, 825620, 1568678, 3137356, 3921695, 7843390, 15686780]

約数ペア:

[(1, 15686780), (2, 7843390), (4, 3921695), (5, 3137356), (10, 1568678), (19, 825620), (20, 784339), (38, 412810), (76, 206405), (95, 165124), (190, 82562), (380, 41281)]