18555784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2663}}^1$

素因数の和:2749

約数の個数: 32

約数和(自身を含む): 38041920

約数和(自身を除く): 19486136

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2663, 3484, 5326, 6968, 10652, 21304, 34619, 69238, 138476, 178421, 276952, 356842, 713684, 1427368, 2319473, 4638946, 9277892, 18555784]

約数ペア:

[(1, 18555784), (2, 9277892), (4, 4638946), (8, 2319473), (13, 1427368), (26, 713684), (52, 356842), (67, 276952), (104, 178421), (134, 138476), (268, 69238), (536, 34619), (871, 21304), (1742, 10652), (2663, 6968), (3484, 5326)]