16887580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2339}}^1$

素因数の和:2386

約数の個数: 36

約数和(自身を含む): 37444680

約数和(自身を除く): 20557100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2339, 3610, 4678, 7220, 9356, 11695, 23390, 44441, 46780, 88882, 177764, 222205, 444410, 844379, 888820, 1688758, 3377516, 4221895, 8443790, 16887580]

約数ペア:

[(1, 16887580), (2, 8443790), (4, 4221895), (5, 3377516), (10, 1688758), (19, 888820), (20, 844379), (38, 444410), (76, 222205), (95, 177764), (190, 88882), (361, 46780), (380, 44441), (722, 23390), (1444, 11695), (1805, 9356), (2339, 7220), (3610, 4678)]