18123608

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 17300392

約数列:

[1, 2, 4, 8, 29, 58, 116, 191, 232, 382, 409, 764, 818, 1528, 1636, 3272, 5539, 11078, 11861, 22156, 23722, 44312, 47444, 78119, 94888, 156238, 312476, 624952, 2265451, 4530902, 9061804, 18123608]

約数ペア:

[(1, 18123608), (2, 9061804), (4, 4530902), (8, 2265451), (29, 624952), (58, 312476), (116, 156238), (191, 94888), (232, 78119), (382, 47444), (409, 44312), (764, 23722), (818, 22156), (1528, 11861), (1636, 11078), (3272, 5539)]