18015368

素因数分解:

$2^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{827}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 20735032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389, 778, 827, 1556, 1654, 2723, 3112, 3308, 5446, 5789, 6616, 10892, 11578, 21784, 23156, 46312, 321703, 643406, 1286812, 2251921, 2573624, 4503842, 9007684, 18015368]

約数ペア:

[(1, 18015368), (2, 9007684), (4, 4503842), (7, 2573624), (8, 2251921), (14, 1286812), (28, 643406), (56, 321703), (389, 46312), (778, 23156), (827, 21784), (1556, 11578), (1654, 10892), (2723, 6616), (3112, 5789), (3308, 5446)]