18725096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 37989000

約数和(自身を除く): 19263904

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 449, 802, 898, 1604, 1796, 3208, 3592, 5213, 5837, 10426, 11674, 20852, 23348, 41704, 46696, 180049, 360098, 720196, 1440392, 2340637, 4681274, 9362548, 18725096]

約数ペア:

[(1, 18725096), (2, 9362548), (4, 4681274), (8, 2340637), (13, 1440392), (26, 720196), (52, 360098), (104, 180049), (401, 46696), (449, 41704), (802, 23348), (898, 20852), (1604, 11674), (1796, 10426), (3208, 5837), (3592, 5213)]