18406563

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1097}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 30357504

約数和(自身を除く): 11950941

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 1097, 2397, 3291, 5593, 7679, 16779, 18649, 23037, 51559, 55947, 130543, 154677, 360913, 391629, 876503, 1082739, 2629509, 6135521, 18406563]

約数ペア:

[(1, 18406563), (3, 6135521), (7, 2629509), (17, 1082739), (21, 876503), (47, 391629), (51, 360913), (119, 154677), (141, 130543), (329, 55947), (357, 51559), (799, 23037), (987, 18649), (1097, 16779), (2397, 7679), (3291, 5593)]