18758792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{569}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 38064600

約数和(自身を除く): 19305808

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 317, 569, 634, 1138, 1268, 2276, 2536, 4121, 4552, 7397, 8242, 14794, 16484, 29588, 32968, 59176, 180373, 360746, 721492, 1442984, 2344849, 4689698, 9379396, 18758792]

約数ペア:

[(1, 18758792), (2, 9379396), (4, 4689698), (8, 2344849), (13, 1442984), (26, 721492), (52, 360746), (104, 180373), (317, 59176), (569, 32968), (634, 29588), (1138, 16484), (1268, 14794), (2276, 8242), (2536, 7397), (4121, 4552)]