15680396

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{10859}}^1$

素因数の和:10901

約数の個数: 18

約数和(自身を含む): 28963620

約数和(自身を除く): 13283224

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 10859, 21718, 43436, 206321, 412642, 825284, 3920099, 7840198, 15680396]

約数ペア:

[(1, 15680396), (2, 7840198), (4, 3920099), (19, 825284), (38, 412642), (76, 206321), (361, 43436), (722, 21718), (1444, 10859)]