18980696

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17839}}^1$

素因数の和:17871

約数の個数: 32

約数和(自身を含む): 42816000

約数和(自身を除く): 23835304

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 17839, 35678, 71356, 124873, 142712, 249746, 338941, 499492, 677882, 998984, 1355764, 2372587, 2711528, 4745174, 9490348, 18980696]

約数ペア:

[(1, 18980696), (2, 9490348), (4, 4745174), (7, 2711528), (8, 2372587), (14, 1355764), (19, 998984), (28, 677882), (38, 499492), (56, 338941), (76, 249746), (133, 142712), (152, 124873), (266, 71356), (532, 35678), (1064, 17839)]