19912678

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:816

約数の個数: 24

約数和(自身を含む): 32448672

約数和(自身を除く): 12535994

約数列:

[1, 2, 17, 34, 47, 94, 289, 578, 733, 799, 1466, 1598, 12461, 13583, 24922, 27166, 34451, 68902, 211837, 423674, 585667, 1171334, 9956339, 19912678]

約数ペア:

[(1, 19912678), (2, 9956339), (17, 1171334), (34, 585667), (47, 423674), (94, 211837), (289, 68902), (578, 34451), (733, 27166), (799, 24922), (1466, 13583), (1598, 12461)]