12948784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{19739}}^1$

素因数の和:19788

約数の個数: 20

約数和(自身を含む): 25701480

約数和(自身を除く): 12752696

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 19739, 39478, 78956, 157912, 315824, 809299, 1618598, 3237196, 6474392, 12948784]

約数ペア:

[(1, 12948784), (2, 6474392), (4, 3237196), (8, 1618598), (16, 809299), (41, 315824), (82, 157912), (164, 78956), (328, 39478), (656, 19739)]