209210914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{19853}}^1$

素因数の和:20345

約数の個数: 16

約数和(自身を含む): 343077120

約数和(自身を除く): 133866206

約数列:

[1, 2, 11, 22, 479, 958, 5269, 10538, 19853, 39706, 218383, 436766, 9509587, 19019174, 104605457, 209210914]

約数ペア:

[(1, 209210914), (2, 104605457), (11, 19019174), (22, 9509587), (479, 436766), (958, 218383), (5269, 39706), (10538, 19853)]