201811312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{663853}}^1$

素因数の和:663880

約数の個数: 20

約数和(自身を含む): 411589480

約数和(自身を除く): 209778168

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 663853, 1327706, 2655412, 5310824, 10621648, 12613207, 25226414, 50452828, 100905656, 201811312]

約数ペア:

[(1, 201811312), (2, 100905656), (4, 50452828), (8, 25226414), (16, 12613207), (19, 10621648), (38, 5310824), (76, 2655412), (152, 1327706), (304, 663853)]