15691226

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 25200864

約数和(自身を除く): 9509638

約数列:

[1, 2, 19, 38, 103, 206, 211, 361, 422, 722, 1957, 3914, 4009, 8018, 21733, 37183, 43466, 74366, 76171, 152342, 412927, 825854, 7845613, 15691226]

約数ペア:

[(1, 15691226), (2, 7845613), (19, 825854), (38, 412927), (103, 152342), (206, 76171), (211, 74366), (361, 43466), (422, 37183), (722, 21733), (1957, 8018), (3914, 4009)]