18820648

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30553}}^1$

素因数の和:30577

約数の個数: 32

約数和(自身を含む): 43997760

約数和(自身を除く): 25177112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 30553, 61106, 122212, 213871, 244424, 336083, 427742, 672166, 855484, 1344332, 1710968, 2352581, 2688664, 4705162, 9410324, 18820648]

約数ペア:

[(1, 18820648), (2, 9410324), (4, 4705162), (7, 2688664), (8, 2352581), (11, 1710968), (14, 1344332), (22, 855484), (28, 672166), (44, 427742), (56, 336083), (77, 244424), (88, 213871), (154, 122212), (308, 61106), (616, 30553)]